Pneus et chambres à air

Fast and confident on the trail From legendary tire designer Frank Stacy, the Bontrager SE2 Team Issue Mountain Bike Tire features a compound formulated specifically for lightweight durability, improved cornering traction, and low rolling resistance. This Tubeless Ready tire is built with a reinforced sidewall and the sub-tread protection of a Core Strength casing around a fast-rolling versatile tread. - A versatile trail tire that excels in loose-over-hardpack and firm conditions - Fast-rolling, with consistent, predictable traction for a variety of trail conditions - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Core Strength has sidewall and sub-tread protection for lightweight durability

Fast and confident on the trail From legendary tire designer Frank Stacy, the Bontrager SE2 Team Issue Mountain Bike Tire features a compound formulated specifically for lightweight, durability, improved cornering traction, and low rolling resistance. This Tubeless Ready tire is built with a reinforced sidewall and the sub-tread protection of a Core Strength casing around a fast-rolling versatile tread. - A versatile trail tire that excels in loose-over-hardpack and firm conditions - Fast-rolling, with consistent, predictable traction for a variety of trail conditions - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Core Strength has sidewall and sub-tread protection for lightweight durability

Get a grip The XR3 Team Issue MTB tire is perfect for riders who want traction and speed in a variety of trail conditions. It has a fast-rolling center tread and aggressive side knobs to keep you rolling fast and confident around corners, plus advanced rubber compound with Inner Strength casing. Great tires for race day or an afternoon out on the trails. Product details - A versatile trail or race tire that excels in a wide variety of conditions - Aggressive side knobs provide consistent cornering and traction across multi-trail surfaces - Lightweight 120 TPI casing and fast-rolling center tread maximize speed and ride feel - Supple and strong Inner Strength casing provides lightweight sidewall protection - Tread depth varies with size for better adaptation to terrain and consistent traction - Tubeless Ready (TLR) design for easy tubeless setup and added puncture protection - Use with Bontrager TLR wheels, sealant, and rim strips for a complete tubeless system designed and tested to work together

Bigger feet for when the snow is deep. The small white-furred, long-bearded men with enormous feet of Swiss folklore, Barbegazi only emerge from their cave after the first snowfall. The aptly-named, ultra-fat, Tubeless Ready, Barbegazi TLR gives you the float and traction to take on any winter trail. 4.7 inches of aggressive tread floats over and bites into everything in its path. - A fat bike tire that excels in deep snow, sand, and rough terrain - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Supple and strong Inner Strength casing provides lightweight sidewall protection - Lightweight 120 TPI casing provides great ride feel and tire performance - Maximum pressure: 20psi - ETRTO: 114-584 - Weight: 1240g

Lighter, grippier, and even more durable The SE4 Team Issue Tubeless Ready tire offers incredible grip and fast-rolling efficiency in a lightweight enduro-spec casing. Bontrager's innovative Core Strength construction provides DH-level protection at a fraction of the weight. Combined with a 61/50 dual-compound rubber, this tire can handle the roughest terrain and live to ride another day. Key features - A robust enduro tire that excels in loose and rocky conditions - Aggressive tread design provides confident cornering and braking traction in demanding terrain - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Core Strength has sidewall and sub-tread protection for lightweight durability

This tire is designed to shed mud and deliver traction on pavement and dirt. The Cultivator doubles as a solid tire for both the commuter and cyclocross rider.

Challenge's S.C. Seamless Latex Cross Tube is hand made for the highest quality. Latex tubes are usually lighter and roll with less resistance than standard butyl tubes. They also resist punctures. The S.C. fits tires 28 to 35mm wide, and has a 47.5mm-long valve with a removable core. - 72 grams

Make your mark on the gravel scene with the Gravel Grinder. This tire combines a fast-rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy. This clincher with 120TPI nylon casing provides both performance and durability. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

Make your mark on the gravel scene with the Gravel Grinder. This tire combines a fast-rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy. This TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant.. TLR - TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube. - A bead-to-bead inner coating gives added puncture protection to these tubeless ready tires and greatly reduces gradual loss of air pressure. An aramid bead protection strip increases tire longevity and reduces rim chafing.

Race it hard or just head off the beaten path. The Strada Bianca wraps Challenge's proven herringbone tread pattern further around a large volume casing and adds a gravel specific construction to take you comfortably over less-than-perfect surfaces. This is your tire for rough roads, packed dirt, and most gravel surfaces. This TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant.

The Strada is Challenge's go-to tire for long days on the road. This all-condition tire combines a round profile that takes the sting out of rough pavement with a construction that provides maximum control and low rolling resistance. This TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant. TLR - TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube. - A bead-to-bead inner coating gives added puncture protection to these tubeless ready tires and greatly reduces gradual loss of air pressure. An aramid bead protection strip increases tire longevity and reduces rim chafing.

Race it hard or just head off the beaten path. The Strada Bianca takes the proven construction of the Paris-Roubaix and adds volume to take you comfortably over less-than-perfect surfaces. Challenge introduces STRADA BIANCA H-TLR 45. The staple herringbone-design tire proves its handmade performances on rougher terrain with a new gravel-specific construction and an added beefier new 45mm size. The STRADA BIANCA 45 is the tire designed to take you comfortably rolling over rough pavement, cobbles, sandy or hardpack fields, to literally floating over the more enduring dry, rocky terrains. It is the first 45mm tire in the Challenge range.

The Strada is Challenge's go to tire for long days on the road. This all-condition tire combines a round profile that takes the sting out of rough pavement with a construction that provides maximum control and low rolling resistance. This handmade clincher combines a supple, 300TPI SuperPoly casing with natural rubber tread for long distance comfort, confident cornering, and quick handing. This tire includes PPS Ganzo, a lightweight and supple Puncture Protection System placed between the tread and casing to increase resistance to punctures.

The Strada is Challenge's go to tire for long days on the road. This all-condition tire combines a round profile that takes the sting out of rough pavement with a construction that provides maximum control and low rolling resistance. This tire takes tubeless to a higher performance level by combining TLR's properties with a handmade construction for the ultimate in traction and ride quality. This tire includes PPS Ganzo, a lightweight and supple Puncture Protection System placed between the tread and casing to increase resistance to punctures. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

The Chicane is a super fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. This handmade clincher combines a supple, 300TPI SuperPoly casing with natural rubber tread for improved grip, confident cornering, and quick handing. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

Limus means mud in Latin, which is exactly what Challenge's Limus Open tire excels in. Its deep, aggressive, and well-spaced knobs cut through muddy ground to grip great. And, you'll be zooming through the corners and off-camber sections, too, thanks to its side knobs, while you'll power up inclines with ease thanks to the tall center knobs. The Limus is built on the same supple 300tpi hand-made casing as their renown tubulars, and there's an anti-puncture strip under the tread and polyester in the sidewalls for excellent durability. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

Make your mark on the gravel scene with the Gravel Grinder. This tire combines a fast rolling diamond center with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy. This tire takes tubeless to a higher performance level by combining TLR's properties with a handmade construction for the ultimate in traction and ride quality. This tire combines a supple, yet durable Corazza Armor casing for improved sidewall protection, excellent puncture-resistance from our PPS Ganzo, and a high mileage, grippy, natural SMARTplus compound. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

The Almanzo is the ideal tire for gravel and adventure riders seeking more control than the Strada Bianca and lower resistance than the Gravel Grinder. This tire takes tubeless to a higher performance level by combining TLR's properties with a handmade construction for the ultimate in traction and ride quality. This tire combines a supple, yet durable Corazza Armor casing for improved sidewall protection, excellent puncture-resistance from our PPS Ganzo, and a high mileage, grippy, natural SMARTplus compound. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

The Baby Limus is Challenge's all-around cyclocross tire designed for races with constantly changing conditions. This tire is ready to take on wet sand, sticky mud, or dry, fast, packed courses. This handmade tubular combines a supple, 300TPI SuperPoly casing with natural rubber tread, and a seamless latex inner tube for improved grip at lower pressures, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform precisely to terrain, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

Knurled 6061 aluminum valve caps for a little touch of swag. - Material: Knurled 6061 Aluminum - Valve Type: Schrader

The Williams tire combines the best of both worlds, with a smooth continuous centerline tread that rolls super-fast and super grippy micro-knurling across the side treads. The 2.5" width adds stability and softens hard landings, while still fitting in most modern frames. Nathan Williams tested and approved. - Size: 2.5" - Pressure: 35-60 PSI - Bead: Wire - Weight: 23.8 oz

Continental bicycle tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Single presta tube for a 27.5-inch/650B tire. - 27.5 x 1.75-2.50 - 42mm Presta valve

Continental bicycle tubes are made of seamless butyl rubber and are individually tested for top quality. - 42mm valve length

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality. 42mm valve: 95 grams 60mm valve: 100 grams

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.