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Reliable. Durable. Quieter Than Ever Before. When it comes to indoor bike trainers, the most frequently asked question is: how quiet is it? Taking this to heart, our Madison, Wisconsin-based team put this query under the microscope and set a goal to build a trainer so quiet, that the only sound is that of your drive train. The result? A direct drive smart trainer that touts a sound specification of 59 decibels at 20 mph. In other words, the H3 is five times quieter than previous generations, making it the quietest smart trainer to ever leave our doors. Following the Saris direct drive smart trainer legacy, the H3 features the same reliably and durability as its predecessors. Each H3 is made from cast and machined aluminum sourced from America’s heartland. Encased inside are components meticulously calibrated to measure power, speed and cadence, as well as a precision-balanced flywheel - all built to handle 2000 watts and replicate a 20% climbing grade. Tested to withstand heavy training, the H3’s internal cooling system will keep the electromagnetic resistance system working – and accurate – long after your legs have given out. - Quieter Than Ever: all new drive system shaves decibels off previous generations. - Precise Training: +/- 2% power accuracy. - Controlled and Consistent: electromagnetic resistance provides a measured workout every time. - Direct Drive Design: widest bike compatibility and eliminates wheel slips. - No External Sensors Required: measures speed, cadence and power. - Seamless Integration: connects to indoor cycling apps with dual ANT+ FE-C and Bluetooth FTMS standards. - Zwift certified. Specs - Noise level: 59 decibels at 20 mph - Power measurement accuracy: +/- 2% - Maximum power output: 2000 watts at 20 mph - Simulates a 20% climbing grade - Fast response electromagnetic resistance - Measures speed, cadence and power – no external sensors needed - 20 lb precision balanced flywheel - Integrated dual ANT+ FE-C and Bluetooth FTMS standards - Built-in front wheel block - Integrated carrying handle - Compatible with Shimano 8-11 speed cassettes - XD/XDR freehubs sold separately (link) - Thru-axle compatible for bike frames with fork widths of 142 or 148. - Quick-release compatible for bike frames with fork widths of 130mm and 135 mm. - Compatible with a wide variety of devices and indoor cycling applications, including Rouvy, Zwift, TrainerRoad and many more. Contact us with questions about compatibility with other software. - Headless mode (powered on, not paired to any apps) lets you ride with a progressive resistance curve that matches the Fluid2 (link). - LED indicator lights communicate connectivity and more. - Direct drive design directly connects the bicycle to the resistance unit, eliminating tire wear. - Internal cooling technology ensures accurate ride data even during the hardest of workouts. - Folding legs provide widest footprint of direct drive indoor bicycle trainers on the market for added stability and easy storage. - Accessible and balanced handle allows for smooth, anyone-can-carry transit of the trainer. - Over the air (OTA) firmware updates and calibration via the Saris app (link to firmware page) - Maximum weight (rider and bike): 300 lbs. - Dimensions when Open L*H*W: 31x18.5x19.5 inches (787.4x469.9x495.3 mm). - Dimensions when Closed L*H*W: 8.5x18.5x19.5 inches (76.2x469.9x495.3 mm). - Weight: 47 lb. (21.3 kg). - Cassette sold separately.

Pedal to work, meet friends for coffee, or build up fitness on the bike path. The Alight fits right into a fun, heathy lifestyle. Casual Comfort An upright riding position and flat handlebars make commuting or a casual spin comfortable without compromising efficiency. Fun Fitness The lightweight, balanced geometry of the ALUXX-Grade Aluminum frame provides an energizing combination of speed and stability. Stylish Versatility Equipped with integrated mounts for racks, fenders, or panniers, this bike blends urban style and road bike agility.

PURE EMOTION. We asked our designers and engineers to transfer the amazing riding experience of DOGMA F12 to the new PRINCE. The result is a bicycle with technical characteristics and performance standards that outperform many high end Road bikes on the market today, and the reason that the PRINCE is a real alternative to DOGMA F12. The Prince inherits the DOGMA F12 total cable integration system, called TiCR, which enables a significant aerodynamic advantage.

Enjoy the comfort and speed of supple tires on your road bike! We name our tires after the passes in the Cascade Mountains that inspire them: Chinook Pass branches off from Cayuse Pass and heads to Eastern Washington. The road takes you above the treeline, and as you round Tipsoo Lake, you get the most spectacular vista of Tahoma (Mount Rainier) – especially in the morning, when the glaciers glow in the early sunlight. The supple casing of Rene Herse all-road tires rolls smoothly over surface irregularities. The tread pattern interlocks with the road surface for superior cornering grip, wet or dry. The tread has enough thickness in the center to last thousands of miles, but it’s thin and supple on the shoulders where it doesn’t wear. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Chinook Pass requires tubes. We recommend SV15 or SV20 tubes. Made in Japan.

THE ART OF BALANCE. This is the culmination of all of our skill and experience, a masterpiece of engineering that offers advancements in handling, comfort, and aerodynamics all wrapped in a package that can climb, descend, and sprint with equal flair. Whatever the road throws at you, the DOGMA F is always the right bike.

A road-centric knobby? A dirt-ready road tire? You decide! At 48 mm wide, the Oracle Ridge hits the sweet spot between narrow gravel tire (38 mm) and mountain bike volume (55 mm) – ideal for the latest generation of gravel and all-road bikes. We’ve developed the Oracle Ridge together with bikepacking legend Lael Wilcox, and we’ve named it after one of Lael’s favorite routes: Oracle Ridge is a beautiful gravel climb outside Tucson, AZ, which connects to the backside of Mount Lemmon for an ultra-fast descent on pavement. On the gravel climb, this tire grips tenaciously thanks to its tall and widely spaced knobs. On the descent, it corners like a slick thanks to its large and strategically placed knobs that don’t squirm and always put the same amount of rubber on the road. The Oracle Ridge features our noise cancellation technology: The staggered tread blocks create overlapping noise frequencies that partially cancel each other. The Oracle Ridge’s speed, grip and lack of noise make you forget you’re riding a knobby – until you hit some loose or muddy ground and appreciate the extra grip. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Endurance Plus casing provides the ultimate in sidewall protection for extremely tough conditions. The Oracle Ridge is tubeless-compatible.

Our revolutionary dual-purpose knobbies in a 26? version. Humptulips Ridge, the place that inspired these tires, is at the southern edge of the remote Olympic Mountains. A beautiful narrow gravel road climbs one side of the ridge, then descends the other, in an otherworldly loop that ranks among the best riding experiences anywhere. The Humptulips Ridge grips like a knobby when conditions get tough. On pavement, it rolls like a slick tire thanks to its large and strategically placed knobs that don’t squirm and always put the same amount of rubber on the road. The Humptulips Ridge features our noise cancelling technology: The staggered tread blocks create overlapping noise frequencies that partially cancel each other. Thanks to the superior materials used in its construction, the Humptulips Ridge is one of the lightest tires in its class. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Endurance Plus casing provides the ultimate in sidewall protection for extremely tough conditions. The Humptulips Ridge is tubeless-compatible.

One of the world’s lightest pumps – and yet the Nuda can fill up even a large tire without your friends getting impatient as they wait. A Rene Herse exclusive, the Nuda minipump weighs just 30 g and fits in your handlebar or frame bag, yet inflates your tire faster than most other minipumps. The Nuda’s superlight action allows you to pump with more strokes per second. Made completely from carbon and titanium, the Nuda’s is superlight thanks to high-end materials and simple design, not because it is excessively fragile: The pump is rated to 142 psi (10 bar). Like most minipumps, the Nuda works best for wide, low-pressure tires – above 70 psi (4.8 bar), pumping gets a bit harder. The Nuda is the only pump you need for most rides, or carry it as a backup during truly epic adventures.

Wide enough to handle any adventure, but narrow enough to fit into most gravel bikes. Juniper Ridge is a rough trail on the Dark Divide in the center of the Cascade Mountains. To reach this remote destination, you want a fast tire that gets you there. When you’re actually climbing Juniper Ridge, you need excellent grip and ample volume to cope with the rugged nature of this trail. The Juniper Ridge’s large knobs don’t squirm and offer excellent performance and cornering on paved roads, yet they are spaced widely to dig into the surface when it gets slippery. The tread self-cleans as the tire rotates. You have to ride these tires to believe how fast they roll and how well they corner! The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Endurance Plus casing provides the ultimate in sidewall protection for extremely tough conditions. The Juniper Ridge is tubeless-compatible.

Vif et léger, le Django carbure au plaisir dans un medley de trails. Avec son Split Pivot et son court débattement, il s’illustre en montée et se manœuvre avec adresse en terrain miné et technique. L’espacement arrière en Super Boost 157 et le dégagement des pneus de 29 x 2.6 engendrent muscle et férocité en terrain valonneux. La relocalisation du flip chip ajusteur de géo a réduit drastiquement les pièces amovibles, simplifiant les réglages éclair. Le boîtier de pédalier fileté rend l’entretien facile tandis que le protecteur sur le tube diagonal et la base se dresse contre roches et débris. Grimpez sur l’exaltant Django 29 et que le fun commence !

ULTIMATE XC RACING SHOES WITH PRO-GUIDED DESIGN ARE ENGINEERED TO DOMINATE. FEATURES: - Uncompromising Cross Country MTB and Cyclocross racing shoe with the lightest ever structure. - Lightweight SHIMANO ULTREAD XC rubber outsole with a highly technical tread pattern creates the ultimate racing grip. - Rider-tunable talon-shaped metal spikes allow riders to choose ultra-lightweight performance or ultimate traction. - Dual low-profile BOA Li2 dials allow quick and precise micro-adjustment. - Surround wrapping upper with function-specific zones and scientifically optimized materials to maximize fit and pedaling performance. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency. - Adjustable powerzone lace guide securely holds forefoot.

Every decision behind the Marrakesh Alivio was made with function and durability in mind. The included front and rear racks let you load it up and go on day one, and its myriad mounting points mean you don't have to leave anything at home. Triple-butted steel tubing and high-volume tires let you cover countless miles in comfort, while its touring geometry keeps everything stable when riding loaded. Carefully-selected Shimano drivetrain components deliver ease of use, reliability, and gear range for the longest flats and steepest mountain passes, while Cowchipper bars offer moderate flare in the drops for dialed-in control, along with a relaxed riding position on the tops or hoods for all-day comfort over varied road surfaces, as well as aerodynamic benefits. It's equipped with a bevy of attachment points for endless mounting options. Wherever your travels take you, Marrakesh is a touring bike that's ready to pile on the miles. 

The Karate Monkey Front Suspension bike features a Rock Shox 35 Gold RL A2 suspension fork with 140mm travel, and it's paired with a dropper post out of the box. Progressive trail geometry and Surly's Gnot-Boost rear dropout system deliver a versatile bike with the ability to swap hubs and wheel sizes. If you want to round-house kick some trail right in the face, the Karate Monkey is your sled. - 100% Surly Chromoly steel frame, double-butted main triangle and 44mm headtube - The tubeset uses Surly custom trumpet tubes for greater stiffness and durability - Adjustable rear dropouts with 145mm Gnot-Boost spacing. Works with 142 and 148 x 12mm thru, as well as 135mm w/ 10/12 washer - Rock Shox 35 Gold RL A2 suspension fork with 140mm travel - TranzX SP15 dropper post with stealth routing: 100mm travel on XS/SM; 120mm travel on MD/LG/XL - Clearance for 27.5 x 3" or 29 x 2.55" tires

Caledonia doesn't fit in a box nicely, and we like it that way. It was conceived on our Thursday night rides—routes that often play fast and loose with 'road ride.' Modern road riders are looking for bikes to handle long-distance, high pace, no limits, and offer maximum fun—the Caledonia delivers performance, comfort, and speed. Oh, and you can fit a 34mm tire in there. Or 31mm with fenders.

A sweet beast designed for chasing good times, the Gorilla Monsoon builds on All-City's proven cross geometry to handle camping, dirt touring, and exploring the unknown. Built around 27.5 x 2.4" tires and offered in seven frame sizes, it comfortably accommodates our smallest and tallest riders for long days in the saddle. Features like stealth dropper post routing and full touring mounts round out this elegantly styled steed. - 612 Select Tubing – Selected specifically for sporty handling on the course, comfort on tours, and maximum fun - Geometry – adapted from All-City CX geo, plus the ability to support some load - 73mm bottom bracket allows for a wider chainring option and ample tire clearance - Stealth dropper routing - Tire clearance – 27.5 x 2.4" or 700c x 42mm - Bi-plane fork crown features four-point rack mount and mounts for fender - Flat-mount brakes, front and rear thru-axles, 1-1/8" head tube, All-City Shot Collar, three water bottle mounts

Le Soloist. Un nom qui vient des profondeurs de notre histoire, mais qui est immédiatement familier à tous ceux dont la mémoire des courses cyclistes remonte au début des années 2000. C'était l'arme de prédilection des meilleurs coureurs du World Tour de la CSC et de l'équipe Cervelo Test Team, et nous le faisons renaître. Le nouveau Soloist est conçu pour ceux qui, semaine après semaine, ne souhaitent qu'un seul vélo haute performance. Il allie avantages aérodynamiques et légèreté pour offrir un compromis idéal. Il est un peu plus léger que le S5, mais nettement plus aérodynamique que le R5, et emprunte le standard du boîtier de pédalier fileté que l'on trouve sur le R5-CX. C'est un vélo de course qui peut s'adapter aux changements de vitesses mécaniques et électroniques, qui peut enchaîner les kilomètres d'entraînement par tous les temps, et qui pourtantpeut sauter en tête au moment décisif. C'est le Soloist.

Fargo Apex 1 is Salsa's drop-bar off-road touring bike built to shatter limits. Ride it on singletrack, gravel, or other places where you wouldn't take your standard touring bike. A triple-butted steel frame and huge tire clearance provide cushion on rugged roads. Alternator dropouts allow for any drivetrain you can imagine, and cargo mounts let you carry enough to go days between resupplies. SRAM's Apex 1 drivetrain is a reliable workhorse with the range for many adventures. - Triple Butted Cromoly Tubeset Salsa-designed, triple-butted, and frame size-specific seamless CroMoly tubing - Firestarter 110 Fork Light, tough, and ultra-versatile, this is our carbon fork for all-terrain riding. Two sets of Three-Pack mounts on each fork leg give you room for extra water or Anything Cages, and mid-blade mounts accommodate low rider racks. Firestarter fits a wide range of tire sizes, from 27.5 x 2.8–3.0" to 29 x 2.2–3.0" - Fargo Geometry Designed as a drop bar mountain bike, optimized for fit with the Salsa Woodchipper or Cowchipper handlebars. Capable of handling everything from technical singletrack trails, two-track, gravel, and the occasional paved road. Predictable handling with or without a load. The bike to ride for multiple-surface excursions - Alternator Dropouts V1.5 A split-able version of our renowned Alternator Dropout for ultimate drivetrain versatility. Run singlespeed or geared, QR or thru-axle, freehub or Rohloff, or Gates Belt Drive. Set Alternator Dropouts all the way forward for a shorter wheelbase that results in quick and nimble handling or set back for more stability. See our Alternator Page for more info - Belt Drive Compatible Tested and certified for belt drive use - 29 x 2.2" Wheel/Tire Spec This wheel and tire size rolls fast, keeps weight down, and offers excellent maneuverability - Multiple Wheelsize Versatility Fargo geometry and spacing can accommodate 27.5+, 29", and, on sizes small to x-large, 29+ making for a highly capable bike that's ready for just about any endeavor - Rear Rack Friendly Designed for use with the Salsa Alternator Plus Rack 135/142/148

Straggler is a bikepacking-inspired road/gravel bike mostly at home on pavement but ready for trail duty when called. Born on Gravel. Raised on Pavement Straggler is tuned for cross-over exploration on a wide variety of terrain conditions. It's a day-tripper and a weekender. It's a "rough road" road bike, a cyclocross bike with no pretense about racing, a utilitarian townie, a light-duty touring bike and an all-weather commuter. It's a steel gravel bicycle that thrives on the road. Think of it as a "mountain biker's road bike." If you only have room for one bike in your life, Straggler can (and should) be your one and only. Straggler's capabilities go well beyond asphalt. It also lends itself well to light touring setups. We're talking frame bags, seat bags, and "credit card touring" rather than full-blown touring. Straggler also handles our 8- and 24-Pack Racks well, so you have some heavier-duty loading options. - Accommodations for racks and fenders - Forward-exiting horizontal dropouts for singlespeed compatibility and wheelbase adjustability - Clearance for 700c x 41mm tires with fenders!

Whether you race gravel or head into unknown terrain, the Hurricane Ridge gives you the confidence that you’ll be able to handle everything from fast pavement to deep mud or snow. Named after one of the biggest climbs in the Northwest, the Hurricane Ridge has a more open tread pattern than our new 700C x 44 mm Manastash Ridge, making it ideal for extreme and muddy conditions. Our revolutionary dual-purpose knobby tread always supports the tire by the same amount of rubber, whether it’s rolling forward or leaning into a turn. This gives you uniform grip at all times – whether in a muddy gravel race or during a paved descent with ultra-fast hairpin turns. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Endurance Plus casing provides the ultimate in sidewall protection for extremely tough conditions. The Hurricane Ridge is tubeless-compatible.

The Bon Jon Pass is our Goldilocks tire: at 700C x 35 mm, it fits bikes that have extra clearance around the Stampede Pass (32 mm), but not enough space for a Barlow Pass (38mm). We name our tires after the passes that inspire them: Bon Jon Pass is a remote pass on the Olympic Peninsula. The moderate gradient allows you to let your bike fly, and these tires are perfect for the smooth gravel surface of the pass and for the chip-sealed asphalt that covers the approach. The supple casing of Rene Herse all-road tires rolls smoothly over surface irregularities. The tread pattern interlocks with the road surface for superior cornering grip, wet or dry. The tread has enough thickness in the center to last thousands of miles, but it’s thin and supple on the shoulders where it doesn’t wear. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Bon Jon Pass is tubeless-compatible.

Les gants de ski chauffants en cuir Ultra heat Boost Gloves Men pour homme ont été conçus pour que la chaleur soit répartie à 360° autour des doigts. Les deux batteries fournies vous offrent jusqu'à 7h30 de chaleur. Avantages du produit LES POINTS FORTS DE LA TECHNOLOGIE BOOST Vitesse de chauffe plus élevée Intensité de chaleur plus élevée Charge plus rapide des batteries Composé majoritairement de matériaux recyclés Les gants de ski chauffants en cuir Ultra heat Boost Gloves Men pour homme sont composés de la technologie d’isolation Primaloft, vous assurant isolation et imperméabilité. Ils sont composés de 3 niveaux de chauffe pour une diffusion de la chaleur jusqu’à 7h30. Comportant des éléments chauffants enveloppant les doigts et le dessus de la main, ils assurent une meilleure répartition de la chaleur. De plus, les 3 modes de chauffe permettent de diffuser une chaleur homogène et douce jusqu’à 7h30. Ces gants de ski pour homme sont en partie composés de cuir véritable, matière souple et résistante, à la propriété thermorégulante et d’une membrane imperméable et respirante avec un indice 10k, gage d’efficacité. Ils présentent d’autres éléments pratiques comme un renfort souple situé sur le pouce qui sert à essuyer son masque de ski, un cordon de sécurité pour ne pas les perdre ainsi qu'un cordon de serrage qui contribue au bon maintien de la chaleur. Le manchon fin leur confère également un meilleur fit avec la veste. Enfin, ils comportent une poche à fermeture éclair imperméable contenant deux batteries afin de doubler le temps de chauffe. Envie de prolonger la durée de chauffe de vos gants ? Optez pour le Kit Ultra Heat Boost. CARACTÉRISTIQUES TECHNIQUES : Membrane 10K/10K : imperméable et respirante Batteries en lithium-ion, ultra-légères offrant jusqu'à 7h30 de chaleur (3.7 V ; 3600mAh) 1 câble de chargeur USB Therm-ic Chargeur secteur non inclus ENTRETIEN DES GANTS Ne jamais laver les gants en machine La température de séchage ne doit pas dépasser 40°C Ne jamais sécher les Ultra Heat Gloves dans un sèche-linge ou sur le radiateur Pour un séchage optimal, utiliser le Therm-ic Refresher, le Therm-ic dryer ou le Therm-ic UV Warmer COMPOSITION Tissu extérieur: 73% Polyester recyclé, 7% Elasthanne, 20% PU Paume: 100% cuir Doublure: 72% Polyester, 28% Polyester recyclé Isolation: Primaloft I-1019 90% Polyester recyclé ENTRETIEN DES BATTERIES Afin de prolonger au maximum la durée de vie des batteries, nous vous recommandons de les stocker dans un endroit frais (5°C à 20°C), après les avoir chargées à moitié. Pendant le stockage, les batteries ne doivent être raccordées ni au gant, ni au chargeur USB.

Checkpoint ALR 5 is the best value gravel bike in the lineup. It's a high-quality build that will hold up for long, rugged miles on pavement, dirt, and even the most treacherous gravel roads. A wealth of features like nimble-yet-stable progressive geometry, loads of mounts, plus a GRX drivetrain make it easy to customize for your kind of adventure. Image as a reference for colorway. Dosen't include framebag.

Forget the numbers. Mute the speculation. Let the other guys invent cute alternatives for "cross country." Steer clear of pigeon holes and limiting beliefs. Strap on your blinders and go get lost. Then decide what the SB120 means to you. And you alone. Definition ready.

Better health. Faster splits. More me-time. Whatever your goals may be, the Fluid2 helps you get the most out of each indoor training ride. The large, precision-balanced flywheel (with patented fan design) lets you easily customize each ride simply by shifting gears, just as you would outside. This design also helps keep your Fluid2 working better – longer. And, thanks to our built-to-last manufacturing process, the Fluid2 can help you conquer one goal after the next. - Fluid resistance unit provides a quiet and consistent ride. - Progressive resistance offers the widest resistance range and road-like feel. - Best-selling trainer in the USA - Compatible with Zwift and other indoor cycling apps

Our new Fugitive features significant changes to the geo with an increased reach, adjusted seat tube angle, and a slacker head tube angle. All of these changes culminate into the rider being more in-the-bike of this versatile 29er.

With its confident, flat handlebar positioning and lightweight ALUXX aluminum frame, Roam Disc gives you all the best qualities of a mountain bike and a road bike. Its front suspension and new D-Fuse seatpost absorb road shocks and vibrations, adding comfort and control. It has powerful disc brakes and durable components, so it can take some bumps on rough city roads. And the fast-rolling 700c wheels can handle smooth roads or dirt with less risk of a flat tire, making it a great choice for town-to-trail adventures.

Seven Days Living is your ideal bike for daily commuting to work and for a great weekend outdoor. Equipped as MTB yet ideal for commuting. SPECS The components are a premium feature of a quality ebike. The Living has been equipped with a fork with a 100mm travel, ergonomic handlebars and comfortable grips. A comfortable luggage rack, lights, Sram 10-speed gears, disc brakes, 29" Schwalbe wheels and a high quality, comfortable Gel-Flow saddle make this ebike a high quality product. POWER UNIT The Living is equipped with a Brose Alu electric engine with over 75 Nm of maximum torque, with pedalling assistance up to 32 km/h. It guarantees top performance in terms of efficiency, safety, silence and reliability.