Tires/Tubes

- The exceptional profile and OneStar rubber compound make the Schwalbe X-One one of the fastest cross tires ever. - To make it the absolute high-flyer, mount it without a tube on a tubeless-compatible wheel. - In combination with the right wheel you can run tubeless tires for cyclo-cross with extremely low air pressures without fear of "Burping" (unwanted air leakage). - For instance, it works extremely well with the Iron Cross from No Tubes.

- KVS and Iron Cloak help prevent cuts and punctures, and a 20mm apex reduces the chance of pinch flats or burping - Tubeless ready – Saves weight and provides a better rolling performance

The Hellkat is an allround gravity tire and was developed with UR Team pro riders. An optimized tread design lets you rip across a wide range of conditions, never letting you down through sharp turns or aggressive braking. Equipped with a gravity, enduro or trail casing, the Hellkat is unimpressed by any sharp object you may encounter on your ride. Don't be just fast—be fast as hell! - The right casing for you—Choose between ATC for trails, AEC for enduro or AGC for a super strong casing and maximum flat protection. - The latest compound technology—Dual layer compound for extra grip and control, or dual tread compound for longer tread life. - Versatile—Tread design is optimized for a wide range of conditions balancing traction, handling and rolling speed. - Tubeless ready – Saves weight and provides a better rolling performance and more controlled handling. Riding tubeless also reduces the chance of flats.

The Hellkat is an allround gravity tire and was developed with UR Team pro riders. An optimized tread design lets you rip across a wide range of conditions, never letting you down through sharp turns or aggressive braking. Equipped with a gravity, enduro or trail casing, the Hellkat is unimpressed by any sharp object you may encounter on your ride. Don't be just fast—be fast as hell! - The right casing for you—Choose between ATC for trails, AEC for enduro or AGC for a super strong casing and maximum flat protection. - The latest compound technology—Dual layer compound for extra grip and control, or dual tread compound for longer tread life. - Versatile—Tread design is optimized for a wide range of conditions balancing traction, handling and rolling speed. - Tubeless ready – Saves weight and provides a better rolling performance and more controlled handling. Riding tubeless also reduces the chance of flats.

- The Successor of the famous P Zero Velo 4S: a further evolution of our best-selling all-season tire. - SmartEVO compound enhances performance on wet and cold tarmac, while the new TechBELT construction continues to provide the handling and racing feeling that made the PZero family famous all over the world. - A slightly thicker tread improves the mileage of the tire, making it the ideal solution to cycle in every season without giving up on its racing soul.

- Rear Specific Performance for Mixed Terrain - The R model is our rear specific design: added traction on either pedaling and braking durability without compromising performance over a mixed variety of terrain, maximized for both dry or wet conditions due to the SmartGRIP Compound. - All with a high level of reliability for a longer lifespan: the best combo with an M on front for a balanced riding style.

- Aggressive Riding in Loose and Soft Terrain - Tall profile and widely spaced tread for aggressive riding styles on any kind of loose and soft terrain, whether for dry or muddy conditions due to the SmartGRIP Compound. - The best choice when cornering speed in demanding terrains is fundamental, all with a high level of reliability for a longer lifespan.

- Wide fast-rolling street-style tread that extends all the way to the sidewall - Large channels and siping help evacuate water quickly and provide a plush smooth ride - Wrap-around tread extends into the side wall for predictable turning even when running low PSI - ISO: 406 - Bead: Wire - PSI: 20 - TPI: 30

- For a safer journey. You have full control on icy roads with the Marathon Winter Plus. - For best possible puncture protection, it comes with a SmartGuard layer. - Spikes work best on ice at the minimum pressure - At max pressure, noise is reduced to a minimum on ice-free roads.

- For a safer journey. You have full control on icy roads with the Marathon Winter Plus. - For best possible puncture protection, it comes with a SmartGuard layer. - Spikes work best on ice at the minimum pressure - At max pressure, noise is reduced to a minimum on ice-free roads.

The Maxxis Forekaster features a spiky, well-spaced tread pattern that is ideal for XC racing or light duty trail riding in loose or wet conditions during the spring and fall. Use as a front paired with an Aspen or Ikon rear for an aggressive XC setup.

The Maxxis Rekon Race is a semi-slick XC race tire that features the lowest profile tread in our XC line. It is a great choice for dry XC trails and short track racing.

- Rear Specific Performance in Mixed Terrain - The R model is our rear specific design: medium profile and tread spacing and added traction and durability without compromising performance over a mixed variety of terrains, in dry or wet conditions, enhanced by the SmartGRIP Compound properties. - All with a high level of reliability for a longer lifespan: the best combo with an M on front for a completely balanced riding experience.

Schwalbe One Tires. Schwalbe's fastest and most reliable competition tire. Featuring a the new OneStar Triple Compound.

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.

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 Schwalbe One family provides the right tire for the latest gravel bike trend. The smooth rolling G-One profile and Tubeless Easy technology make it a pleasure to ride over forest paths and rolling fields. - Tubeless-Easy with MicroSkin fabric for gravel riding - OneStar compound helps to achieve an extremely low rolling resistance

The G-One Bite feels pretty good on the road, but its true strength comes through off-road. Constructed for more off-road use than its stablemates, the open tread design and strong outer blocks provide stability when cornering and deliver this G-One the perfect "Bite".

- Minimal rolling resistance for pavement, beach, hardpack or gravel - Weight optimized 120tpi casing, silica rubber compound - Tubeless ready bead/casing

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.

Continental's ultra-tough Gator Hardshell combines 3 flat-protection technologies into the ultimate distance and training tire. It features a flat-busting, bead-to-bead layer of DuraSkin and an extra-wide Poly-X Breaker anti-puncture strip. But Conti wasn't done yet. They added material in the tread to improve mileage and lend another level of puncture resistance. Plus, the folding bead keeps the weight low. Weight: 23c: 250 grams 25c: 270 grams 28c: 350 grams 32c: 385 grams

Puncture protection and mileage are the strengths of Hardshell-ProTection. A wider PolyX Breaker, the specialist against punctures under the tread center and shoulders, provides for great reliability. The three-ply—each layer with 60 TPI—carcass covers the entire tire and makes it a real bastion against urban detritus. The outer sidewalls of the tire are reinforced with DuraSkin fabric, providing even more reliability due to the casing being so well protected. Hardshell tires are the puncture-resistant flagship amongst racing tires—produced exclusively in Germany. - Ideal when it comes to extremely long service life, for the next tour or the commute. - Made for rough surfaces and rugged tarmac.

Thanks to its DuraSkin anti-tear fabric, the Grand Prix 4-Season holds up under extreme conditions. In the Paris – Roubaix race, the “Hell of the North”, cyclists equipped with DuraSkin enhanced tires have the fewest tire-related problems during the race. Incorporating Continental's special wear resistant carbon compound, the tire is characterized by very good mileage performance as well as excellent adhesion on wet roads and at low temperatures. With the 23mm, 25mm, 28mm, and 32mm versions, the Grand Prix 4-Season makes it possible to select the right tire for various road qualities and comfort requirements. A double Vectran Breaker belt under the tread raises the puncture and cut protection to the highest level available on the market.

IRC’s lightest and fastest road tubeless tires. A wider tread and cross-sectional shape provide improved rolling resistance. This tire is designed for high speed in dry weather conditions. - The Formula Pro Tubeless Light is IRC’s fastest road tubeless tire - A wider cross-sectional shape provides improved rolling resistance - This tire is designed for high-speed riding

A unique semi-slick diamond design pattern offers a lower rolling resistance and comfort ride on the street. This tire is also an excellent choice for the hard pack off-road trails and XCO races.

The Roadlite tubeless is specifically developed for training and endurance riding. IRC uses a high abrasion resistant rubber compound for the tread to increase durability and low rolling resistance. Additionally, the 120tpi casing promises a silky ride performance. - The Roadlite tubeless is specifically developed for training and endurance riding - IRC uses a high abrasion resistant rubber compound for the tread to increase durability and lower rolling resistance - The 120 tpi casing promises a silky ride performance

Using IRC's tubeless technologies, the tire fits perfectly on your tubeless compatible wheels. A 182TPI casing let you ride smooth on any rough surface. - With a 182 TPI casing, SERAC CX cyclocross tires provide a fast, smooth, and comfortable ride on any rough ‘cross course - Inner-air-seal prevents leakage

Using IRC's tubeless technologies, the tire fits perfectly on your tubeless compatible wheels. A 182TPI casing let you ride smooth on any rough surface. Serac CX X-GUARD offers you extra puncture resistance. - With a 182 TPI casing, Serac CX cyclocross tires provide a fast, smooth, and comfortable ride on any rough ‘cross course - Inner-air-seal prevents leakage - X-Guard adds a 40×40 TPI double-layer bead-to-bead puncture barrier for incredible durability

A semi-slick with dependable Minion cornering capabilities - Semi-slick center with Minion side knobs - Wide trail (WT) casing specs are optimized for 30-35mm inner width rims The Minion SS fills the gap between a fast-rolling XC tire and a grippy DH tire by including a cluster of short, ramped knobs flanked by the much-loved Minion side knobs. This combination creates a fast-rolling tire with a square profile that hooks up in loose terrain. Perfect for summer shredding.

- Semi-slick tire for pavement, hard-packed dirt, and gravel. - Perfect for rides that are mostly smooth, with occasionaly off-road adventures