Cyclo-ordinateurs

Pacer Pro Wrist Band

Wrist Band 20mm - S: wrist circumference 120-190mm - S/M: wrist circumference 120-195 mm - M: wrist circumference 140-195 mm - M/L: wrist circumference 150-210 mm

Thanks to its adjustable, aerodynamic and slim design, Polar's Adjustable Front Bike Mount is a perfect fit for challenging rides. It gives you the best viewing angle and easy access to your bike computer at all times. Plus it only takes up a small space on your handlebar. You can attach the unit in any direction you'd like–either around the handlebar or the stem of your bike. The front bike mount is optimized for the standard 31.8 mm diameter handlebar.

Polar Pro Strap works with all Polar heart rate sensors. With a soft textile material, slip-preventing silicone dots, and a secure buckle, the strap is very comfortable to wear and stays in place even through your most intense workouts. The extra interference-preventing electrodes on the strap make it extremely sensitive to your heart’s electrical signals, providing maximum precision for heart rate readings and eliminating interference. - X-Small/Small: 51-66 cm - Large/X-Large: 65-93 cm - XXXL: 76-116 cm

T31 CODED™ TRANSMITTER At the heart of your training is the coded T31. Its purpose is simple: to transmit your heart rate to your wrist unit. Slim and light, the ECG (electrocardiogram) accurate transmitter is fully water resistant and designed for all weather conditions - Built to last with up to 2500 hours of training usage - Prevents cross-talk from other electrical devices for accurate measurement of your training - No user replaceable battery - Transfers heart rate information while swimming

FOR ALL YOUR EVERYDAY SPORTS When you're looking for a reliable high quality heart rate chest strap, Polar H9 fulfills all your needs and more. Bluetooth® and ANT+ technologies open up endless connection possibilities to any app or device you want to use. All you need to do is get connected & get going.

FOR ALL YOUR SPORTS ON LAND AND IN WATER Polar OH1 is an optical heart rate monitor that combines versatility, comfort and simplicity. You can use it both as a standalone device and pair it with various fitness apps, sports watches and smart watches, thanks to Bluetooth® and ANT+ connectivity. The Polar OH1 + product package includes a swimming goggle strap clip for easy use in the pool.

POLAR H10 HEART RATE SENSOR When it comes to accuracy and connectivity, Polar H10 heart rate sensor is the go-to choice. Monitor your heart rate with maximum precision and connect your heart rate to a great variety of training devices with Bluetooth® and ANT+. With Polar H10, heart rate monitoring is more accurate and adaptable than ever.

OPTICAL HEART RATE SENSOR Polar Verity Sense is an optical heart rate monitor that provides you with maximum freedom of movement and multiple options for viewing and recording your workouts. Thanks to Bluetooth®, ANT+ and internal memory, you can either connect Polar Verity Sense to a sports watch or app to see your workout in real time or record your workout in the internal memory and view your data afterwards.

FITNESS WATCH WITH WRIST-BASED HEART RATE AND SLEEP TRACKING Polar Unite is a waterproof fitness watch with advanced wrist-based heart rate and connected GPS. This well-rounded ultra light fitness tracker helps you sleep better, train smarter and find the balance in your life – it's your assistant on your way to better fitness.

GPS Running Watch This is a no-nonsense GPS running watch that gives the modern runner all the essentials, plus the specialized training tools they need to do one thing better: Run.

FITNESS WATCH WITH GPS AND SMART FEATURES The Polar Ignite 2 fitness watch is sleek, simple and smart. Get personalized guidance for workouts, recovery and sleep – in a beautifully designed watch that looks and feels good 24/7.

FITNESS WATCH WITH GPS AND SMART FEATURES The Polar Ignite 2 fitness watch is sleek, simple and smart. Get personalized guidance for workouts, recovery and sleep – in a beautifully designed watch that looks and feels good 24/7.

Advanced GPS Running Watch This is an ultra-light, new-generation GPS running watch with integrated barometer that equips serious runners with advanced training tools to improve running economy and performance. Make every run a good run.

All-new design Smart and beautiful, Polar Ignite 3 is designed for active lifestyles. The sleek aesthetics and soft edges create a seamless screen experience. A stainless-steel bezel surrounds the curved, durable Gorilla Glass lens that protects a bright, vivid AMOLED touchscreen display that is easy to read in all conditions, both indoors and outdoors. Polar Ignite 3 introduces customizable quick-access widgets that give instant access to the information that matters the most, including weather, heart rate data, activity summary, and more. With these widgets, users can personalize the watch face to suit a range of different colors, styles, and even matching wristband. - SleepWise™: An analysis of how sleep affects the day with detailed forecast of daytime alertness levels, plus an estimate of when the body is ready to fall asleep. - Nightly Recharge™: An overnight recovery measurement that shows how well a person recovers from stress, and other demands of the day. - Sleep Plus Stages™: Automatic sleep tracking tool that shows the amount and quality sleep, and the time spent in each sleep stage. - Serene™: A guided deep breathing exercise that helps you relax your body and mind and manage stress. - Polar Precision Prime™ Sensor Fusion Technology: Advanced optical heart rate tracking technology.

Polar Ignite 3 Titanium is a stylish fitness & wellness watch that helps you live a more energized life. It tracks your sleep, activity, and heart rate to provide guidance that’s tailored to your body and lifestyle.

Advanced GPS Sports Watch This is an ultra-light, new-generation sports watch with integrated barometer that equips athletes with advanced tools to improve running economy, training sessions, and sports performance.

OUTDOOR MULTISPORT WATCH WITH GPS AND ALL ESSENTIAL TRAINING FEATURES The Polar Grit X outdoor multisport watch is an uncompromising combination of rugged and durable, yet lightweight design, top training features and the possibilities of Polar Flow, the ultimate training platform. Polar Grit X comes with built-in GPS, compass and altimeter in training mode, and Polar’s unique Smart Coaching features that make sure you’re ready for your future adventures.

RIDE SMARTER. RIDE WITH DATA. Roads or single track trails? Either way – we got you covered. Gear up for your rides with our top GPS multisport watches, now paired with a set of exclusive high quality accessories for cyclists. POLAR GRIT X OUTDOOR MULTISPORT WATCH Polar Grit X is the outdoor multisport watch designed for the moments when the road is not enough and new goals are waiting off the beaten track. Included in the bundle: Polar H10 heart rate sensor, a bike mount for the watch, and an exclusive saddle bag.

LIGHTWEIGHT PREMIUM MULTISPORT WATCH Polar Vantage V2 allows you to really get under the skin of who you are. This waterproof multisport GPS watch comes with all of Polar’s sports expertise in one package, including wrist-based heart rate, GPS, performance tests and recovery tracking.

Premium Outdoor Multisport Watch Built for military-level durability with sapphire glass and ultra-long battery life. Polar Grit X Pro equips you with new navigation tools, always-on outdoor features and Polar's ultimate training solutions so you can go wherever your heart takes you.

LIGHTWEIGHT PREMIUM MULTISPORT WATCH Polar Vantage V2 allows you to really get under the skin of who you are. This waterproof multisport GPS watch comes with all of Polar’s sports expertise in one package, including wrist-based heart rate, GPS, performance tests and recovery tracking.

Premium Multisport Watch Engineered to enable athletes of all levels to exceed every expectation, Polar Vantage V2 is a powerful convergence of minimalist design and innovative technology - built on decades of scientific research to create our most formidable sportswatch to date.

Every athlete has a dream. The Polar Vantage V3 is the realization of it. It’s been designed to push you in every realm of human endeavour: in sports, performance, and in life. With an ensemble of biosensing instruments, AMOLED display, dual-frequency GPS, maps, and the most comprehensive suite of training and recovery tools on the market, Vantage V3 is the most powerful Polar to date. And with multiple days of battery on a single charge, plus all-new wrist ECG, SpO2, and skin temperature sensing, the stage is set, and the Polar Vantage V3 smart sports watch is ready to put in the performance of a lifetime. All you have to do is Act as an Athlete.

Every athlete has a dream. The Polar Vantage V3 is the realization of it. It’s been designed to push you in every realm of human endeavour: in sports, performance, and in life. With an ensemble of biosensing instruments, AMOLED display, dual-frequency GPS, maps, and the most comprehensive suite of training and recovery tools on the market, Vantage V3 is the most powerful Polar to date. And with multiple days of battery on a single charge, plus all-new wrist ECG, SpO2, and skin temperature sensing, the stage is set, and the Polar Vantage V3 smart sports watch is ready to put in the performance of a lifetime. All you have to do is Act as an Athlete.

Premium Outdoor Multisport Watch Built for military-level durability with sapphire glass and ultra-long battery life. Polar Grit X Pro equips you with new navigation tools, always-on outdoor features and Polar's ultimate training solutions so you can go wherever your heart takes you.

Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The DFour DUB was designed specifically for Dura-Ace R9100 chainrings. Train using a Quarq power meter without changing your drivetrain. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh climates do not hold you back, then you need a product capable of rising to the occasion. That is exactly what the DFour DUB power meter is made for. Train harder, ride faster, and unlock your ultimate potential. The DFour DUB power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. DFour DUB features Bluetooth low-energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer. Features - Bluetooth low-energy technology and ANT+ wireless data transfer - MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate - AxCad - no cadence magnet required - 10K Temperature Compensation - Battery - CR2032, 200-hour battery life, change without tools - OmniCal - swap chainrings without affecting accuracy - 2-year warranty - IPX7 waterproof rating - Accuracy - within 1.5%, measuring both legs

Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The Quarq DZero DUB Power Meter is paired with the Quarq DUB Crankarms and SRAM’s X-Glide 52/36t chainrings to have the perfect fit for most 10- or 11- speed groupsets. A SRAM DUB Bottom Bracket will be required for installation. FEATURES - Bluetooth low energy technology and ANT+ wireless data transfer - MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate - AxCad -- no cadence magnet required - 10K Temperature Compensation - Battery -- CR2032, 200-hour battery life, change without tools - OmniCal -- swap chainrings without affecting accuracy - 2-year warranty - IPX7 waterproof rating - Accuracy -- within 1.5%, measuring both legs. SPECIFICATIONS - Speeds: 11 - Crank arm length: 170mm, 172.5mm, 175mm - BB Compatibility: All SRAM Road DUB BBs - Chainring Size: 52/36T - Bolt Circle Diameter (BCD): 110 BCD - Chainline: n/a - BB Spindle Interface: DUB - Chainring material: Aluminum/Aluminum - Guard: No Guard - Crank arm material: Carbon - Color (Crank arm): Natural carbon - Power Meter Type: Spider

Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. It's invisible technology that adds minimal weight and will help you get to the finish line faster, and it can be used to upgrade any eTap AXS bike. - An elegant, integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Simple and affordable power meter upgrade option - Right Arm/BB/Spider/Chainrings NOT INCLUDED

The X0 Eagle T-Type AXS™ Wide left crankarm with Power Meter spindle provides riders with accurate, live power data delivery housed in our most advanced aluminum crankset. The power meter technology is integrated through what SRAM calls “DUB-PWR” – a unique design that elegantly houses Quarq’s reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts, it’s subtle, lightweight, compatible with any chainring setup, and boasts unbeatable battery life. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS™ enabled components. No-compromise, no-fuss data delivery with robustness in mind. - Innovative "DUB-PWR" design allows for lightweight, subtle Quarq power integration - Compatible with RockShox Flight Attendant - Unique, groundbreaking design integrated with one of the lightest aluminum cranksets on the market - +/-3% accuracy means you'll always know your true watts output - Long battery life provides 400+ hours of usage - Waterproof (IPX7 waterproof to 1 meter for 30 minutes - Right arm, Bottom bracket, Chainring and Spider NOT included

Power measurement is a crucial part of training, so we’ve made it as easy as possible to upgrade your Force AXS ride with Quarq technology. DUB-PWR takes the legendary reliability and accuracy of Quarq technology and inserts it into the crank spindle for clean integration that fits more bikes than ever. It’s invisible technology that adds minimal weight and will help you get to the finish line faster. FEATURES - DUB-PWR spindle-based unit measures left side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User replaceable AAA lithium battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset)

Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. - An elegant,integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - BB not included

Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. - An elegant,integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Wide chainline crankset for bikes with up to 700x45c or 27.5x2.1" tire widths (43/30T chainrings only) - BB not included

- AXS enabled for easy monitoring and firmware upgrades - Bluetooth Low Energy and ANT+ compatible - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Power balance measures left and right legs separately - Uses a common CR2032 battery that last for 200 riding hours and changes without tools - Power-upgrade compatible with the following RED and Force eTap AXS cranksets: RED 1x: 36T-46T, Force 1x: 36T-46T, Force 2x: 33/46, 35/48 - Bolt Circle Diameter (BCD): 107 BCD - Power Meter Type: ANT USB

Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh climates do not hold you back, then you need a product capable of rising to the occasion. That is exactly what the DZero DUB power meter is made for. Train harder, ride faster and unlock your ultimate potential.  - Specifically designed for use with XX SL Eagle T-Type Thread Mount chainrings (Sold separately) - AXS™™ enabled for easy monitoring and firmware upgrades - Bluetooth Low Energy and ANT+ compatible - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Uses a common CR2032 battery that last for 200 riding hours and changes without tools - Power-upgrade compatible with the following RED® and Force eTap AXS™™ cranksets: RED 1x: 36T-46T, Force 1x: 36T-46T, Force 2x: 33/46, 35/48

It’s the ultimate in integrated power measurement. The Force AXS power meter kit adds Quarq technology to our one-piece chainrings for the lightest, stiffest, and most accurate power package available. A 13-tooth delta on all chainring pairs ensures precise shifting for any setup, as well as a less dramatic change in cadence during front shifts. Combined with our most durable chainrings ever, it’s an unbeatable combination. FEATURES - X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear - Power meter is fully integrated into the chainring set for lighter weight - Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride - Measures right and left leg power balance - Crisp and accurate front shifts - Unique chainring shape results in a lighter weight, stiffer, more durable unit

The XX Eagle T-Type AXS™ Wide left crankarm with Power Meter spindle utilizes SRAM's World stage proven XX crank arm with a subtly integrated power meter to record and deliver live, accurate power readings to your head unit. We achieve this by utilizing what SRAM calls “DUB-PWR” – a unique design that elegantly houses Quarq’s reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts, it’s subtle, lightweight, compatible with any chainring setup, and boasts unbeatable battery life. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS™ enabled components. No-compromise, no-fuss data delivery giving you an edge over the competition. - Innovative "DUB-PWR" design allows for lightweight, subtle Quarq power integration - Compatible with RockShox Flight Attendant - +/-3% accuracy means you'll always know your true watts output - Long battery life provides 400+ hours of usage - Waterproof (IPX7 waterproof to 1 meter for 30 minutes - Right arm, Bottom bracket, Chainring and Spider NOT included

Enjoy the ultimate advantage of freedom and adventure that Eagle provides combined with the Quarq power meter platform that delivers on accuracy and reliability. The SRAM Eagle XX1 power meter is built to pair with the SRAM Eagle drivetrains, providing a significantly quieter performance and extraordinary durability. Take it on the dirtiest, gnarliest trails while maintaining confidence in your cycling components. You came to perform; the Eagle XX1 power meter will perform with you. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather or trail condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh environments do not hold you back, then you need a product capable of rising to the occasion. The Eagle XX1 power meter is designed to be rough-and-tumble tough. Train harder, ride faster and unlock your ultimate potential. The Eagle XX1 power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. The Eagle XX1 also features Bluetooth low energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer. - Speeds: 11/12 - BB Compatibility: DUB:BSA73, PF89.5, PF92, PF30 MTB73, BB30 MTB73, BSA MTB68SP - Bolt Circle Diameter (BCD): 104 BCD - Chainline: 52.0mm - BB Spindle Interface: DUB - Power Meter Type: ANT+ and BLE - Crank Arms/Chainrings not included

It looks like it’s from the future, but it’s here now. Our lightest, stiffest, and most accurate integrated power meter and chainring combo is now on Force. Quarq D-Zero technology is accurate to +/-1.5% and isn’t affected by temperature changes, and the consistent 13-tooth gap on the rings ensures fast and reliable shifting. Not just unbeatable on performance, our integrated rings are also incredibly long-lasting. And let’s not be modest: the combination of these rings on our iridescent carbon crank arm is the best looking thing out there. FEATURES - X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear - Power meter is fully integrated into the chainring set for lighter weight - Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride - Measures right and left leg power balance - Unique chainring shape results in a lighter weight, stiffer, more durable crankset - DUB bottom bracket adds durability and simplicity

- AXS enabled for easy monitoring and firmware upgrades - Fully integrated power meter into a direct mount chainring - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Power balance measures left and right legs separately - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - 8-bolt direct mount compatibility only to RED and Force eTap AXS cranks. - Speeds: 12 - Chainring material: Aluminum - Power Meter Type: ANT USB

The XX SL Eagle AXS Transmission Power Meter Crankset combines the XX SL crank arm with an integrated power meter. All-new spider design uses a proprietary chainring mount system which reduces weight without compromising reliability. Dual sided power measurement calculates total watts. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS enabled components. - Compatible with Flight Attendant. +/- 1.5% accuracy. - User replaceable CR2032 battery 200-hour battery life. - Bluetooth low energy technology and ANT+ wireless data transfer. - AxCad -- no cadence magnet required. - Waterproof (IPX7 waterproof to 1 meter for 30 minutes). - SRAM Model ID: FC-XX-SLP-D1

Every innovation in Quarq's DZero platform represented the 10+ years of Quarq's advances in power meter technology. This same platform is now combined with XX1 Eagle DUB CARBON TUNED crankset—lightest, stiffest, and strongest to date, and X-SYNC 2 chainring—providing significantly quieter performance with better mud clearing and extraordinary durability. Ready to power every ride. - Bluetooth low energy technology and ANT+ wireless data transfer - MagicZero: automatically checks and recalibrates your power meter as you ride (no need to manually calibrate) - AxCad: no cadence magnet required - 10K Temperature Compensation - Battery: CR2032, 200-hour battery life, change without tools - OmniCal: swap chainrings without affecting accuracy - 2-year warranty - IPX7 waterproof rating - Accuracy: within 1.5%, measuring both legs

In certain disciplines, the single-ring drivetrain reigns supreme. Championing simplicity, strength and durability, the SRAM RED 1 AXS power meter meets the demands of triathletes, time trialists and cyclocross racers. The power meter features improved aerodynamics thanks to direct mount aero chainrings with fully integrated power, and the tighter gearing range is perfect for racing and flatter terrains. - Single-ring drivetrain simplifies functionality - 48T and 50T variants have fully integrated power into a direct mount aero chainring - 36-46T variants have spider-based power - Chainrings can be easily changed without requiring recalibration of the power meter - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Power balance measures left and right legs separately - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - DUB bottom bracket adds durability and simplicity - Non-aero chainrings can be installed with a single tool, making gearing changes a breeze - Bottom bracket not included - BB Compatibility: All SRAM Road DUB BBs - BB Spindle Interface: DUB - Chainring material: Aluminum - Crank arm material: Carbon - Power Meter Type: ANT+ and BLE

The SRAM RED AXS power meter breaks with tradition — and breaks through to new levels of performance. SRAM reengineered road gearing: reducing front chainring size and adding more range to the rear cassette. They also maintained a 13-tooth delta on all chainring pairs, ensuring precise shifting for any setup. This results in more useful gearing and better shifting across all configurations. These power meters are also designed with Quarq's premier DZero power measurement technology fully integrated into the crankset. Welcome to the pinnacle of the power meter. - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Integrated power measurement - Power meter is fully integrated into the chainring set for lighter weight - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Power balance measures left and right legs separately - Improved front shifting performance for crisp and accurate front shifts - Unique chainring shape results in a lighter weight, stiffer, more durable crankset - Integrated chainring design significantly reduces weight - DUB bottom bracket adds durability, simplicity and broad compatibility - Speeds: 12 - BB Compatibility: All SRAM Road DUB BBs - BB Spindle Interface: DUB - Chainring material: Aluminum - Crank arm material: Carbon - Power Meter Type: ANT+ and BLE - Bottom bracket not included

Sigma's BC 8.12 is a stellar choice for a wireless bike computer. It boasts eight great features, an easy, one-button operation, and the simplicity of a wireless setup. Plus, the quick, tool-free installation will have you logging miles in no time at all.

Sigma's BC12.12 STS has bicycle commuters in mind. In addition to nine functions for everyday and long-term mile-tracking, the BC 12.12 STS converts your commuting miles into gallons of fuel saved per trip! It also boasts the simplicity and clean looks of a wireless set-up, as well as a low battery indicator and a storage chip for data backup.

Dual band, Bluetooth, ANT +, heart rate sensor with strap. - Battery: 2032 Battery Life is 900+ hours - Sensor Range: 30 bpm - 230 bpm ANT+ and Bluetooth data sensor compatibility - Sweatproof - YES!

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Shimano Ultegra R8000 crank arm and is compatible with all Shimano Hollowtech II road drivetrains. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5% accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 - Sizing Options: - Lengths: 165mm, 170mm, 172.5mm, 175mm Includes: - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

Stages Gen 3 single-sided Power L meter is built onto a non-drive-side Shimano GRX RX-810 crank arm. It's compatible with all Shimano GRX Cranksets. Tour Proven Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world's best product-proving ground, then Stages Power is proven as the world's best power meter. Active Temperature Compensation as Standard Equipment Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process, ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - +/- 1.5% accuracy in all conditions - Active temperature compensation - Accelerometer-based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need to connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications: - Accuracy: +/- 1.5% - Power meter housing: low-profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single-sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 Sizing Options: - Lengths: 170mm, 172.5mm 175mm Compatibility: - This Shimano GRX RX810 Stages Power meter is compatible with all Shimano GRX cranksets. - Frame Compatibility: Most frames - Device Compatibility: ANT+, Bluetooth Smart Ready - Software Compatibility: Stages Link, Training Peaks, Strava, Garmin Training Center, and others

The new Gen 3 single-sided Stages Power R meter is built on to a drive-side Shimano Ultegra R8000 crank arm and is compatible with all frames that fit Shimano Hollowtech II cranks. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Single drive-side power meter increases frame compatibility or upgrades an existing Stages Power L meter to Stages Power LR. Stages Power R offers increased compatibility with direct mount brakes and frames that lack adequate chainstay clearance, as well as the ability to upgrade existing Stages Power L power meters to Stages Power LR bi-lateral (dual) meter systems. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, 2x phillips head screw to access battery compartment - Weight: Only adds 20g to base crankset - Battery Life: 175+ hours (via coin cell: CR2032) - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Drive-side power meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Shimano Dura-Ace R9100 crank arm and is compatible with all Shimano Hollowtech II road drivetrains. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level, which is an industry best for non-scientific power meters. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box: - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Stages Carbon crank arm and it compatible with SRAM GXP road drivetrains. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Stages Carbon crank arm and it compatible with SRAM GXP MTB drivetrains (168mm Q-factor). Stages Power MTB. Power isn't just for roadies. Stages Power meters are ridden by world and national champions in every discipline of cycling. From weekend warriors to BMC Factory Racing, Trek Factory Racing XC and Olympian Chloe Woodruff, Stages Power for MTB is ridden by the best athletes in the world. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Stages Carbon and built to retrofit SRAM (road and mountain), Race Face, and Easton cranks with Stages Power, with added spindle purchase. No additional spindle purchase required for FSA 386EVO cranks. This one Stages Power meter is built to rule them all—all of the most popular 30mm spindled crank sets, that is. Interchangeable 30mm spindles bring Stages Power carbon to numerous popular crank sets. In order to fit a vast array BB30 based crank sets—including, SRAM, RaceFace, and Easton, as well as FSA’s 386EVO —Stages' engineers have developed a range of bottom bracket spindles that serve to mate our super-light carbon Stages Power meter to more than 10 different 30mm spindled crank sets. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side FSA SL-K BB30 crank arm. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Shimano Dura-Ace 7710 Track crank arm. Track Specific. Designed to meet the specific requirements of fixed gear track bikes, the Stages Power meter is the go-to choice for track racers at the World, Olympic and elite amateur levels. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Shimano Saint M820/M825 crank arm. Stages Power for DH. From the death defying rides of the Atherton's, Danny Hart and Jill Kintner, Stages Power is the tool to help anyone explore their best. For downhill bike riders we offer a Stages Power meter available as a power meter only non-drive crank arm for existing Shimano Saint cranks. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box: - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power R meter is built on to a driveside Shimano Dura-Ace R9100 crank arm and is compatible with all frames that fit Shimano Hollowtech II cranks. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. ATC is the key reason a rider can trust data from Stages Power in all conditions. Single drive-side power meter increases frame compatibility or upgrades an existing Stages Power L meter to Stages Power LR. Stages Power R offers increased compatibility with direct mount brakes and frames that lack adequate chainstay clearance, as well as the ability to upgrade existing Stages Power L power meters to Stages Power LR bi-lateral (dual) meter systems. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, 2x phillips head screw to access battery compartment - Weight: Only adds 20g to base crankset - Battery Life: 175+ hours (via coin cell: CR2032) - Power range (Watts): 0 to 2500 - Cadence range (rpm): 20-220 - Water resistance rating: IPX7 In the box - Drive-side power meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built onto a non-drive-side Campagnolo Record 12s crank arm. Tour Proven Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world's best product-proving ground, then Stages Power is proven as the world's best power meter. Active Temperature Compensation as Standard Equipment Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process, ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - +/- 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer-based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need to connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications: - Accuracy: +/- 1.5% - Power meter housing: low-profile design with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single-sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 Sizing Options: - Lengths: 170mm, 172.5mm, 175mm Compatibility: This Campagnolo Record 12 Speed based Stages Power meter non-drive-side crank arm is only meant for use paired with a drive-side Campagnolo Record or Chorus crank arm. It will NOT mate with a Campagnolo Super Record crank arm. - Frame Compatibility: Most frames - Device Compatibility: ANT+, Bluetooth Smart Ready - Software Compatibility: Stages Link, Training Peaks, Strava, Garmin Training Center, and others

The new Gen 3 Stages Power meter is built on to a Shimano Ultegra R8000 crankset. The Stages Power meter is placed on both the drive and non-drive side of the crank in order to independently measure a rider's left and right legs. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. ATC is the key reason a rider can trust data from Stages Power in all conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the bi-lateral data produced by our system, as it's a real measurement and not an estimation. Additional features: - +/- 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6x improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface. Tool free battery replacement on the left arm and phillips head - screw access on the drive side - Weight: Only adds 35g to base crankset - Battery Life: 175+ hours (via 2 coin cell: CR2032) - Power range (Watts): 0 to 2500 - Cadence range (rpm): 20-220 - Water resistance rating: IPX7 In the box - Non-drive-side power meter - Drive-side power meter - Shimano chainrings - 2x high quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrade. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide