700c, 27-Inch & 650c

Originally designed for the 1996 Olympic games, the Ritchey SpeedMax is back and better than ever. Reenvisioned for 'cross racers and gravel riders alike, SpeedMax is now available tubeless-ready with Stronghold casing. With a remarkable ride quality and low rolling resistance, this all-rounder tire is the perfect choice for all-terrain exploration. - WCS 120 TPI Stronghold Tubeless Ready - Weight: 514g (WCS)

Looking for a tire that's more tread aggressive and wider than the mixte-tread narrower Gravel King? The GravelKing SK might just be the tire you need for the more hardcore roads. Aggressive knobs, ZSG Natural rubber compound, puncture protection breaker and AX-A special low rolling resistance casing make the Gravel King a go-anywhere tire. - Black multi-use gravel tread - Aramid (Kevlar) folding bead

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 tubular combines a supple, 300TPI SuperPoly casing with natural rubber tread, and a seamless latex inner tube for improved comfort, 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. This tire includes PPS Ganzo, a lightweight and supple Puncture Protection System placed between the tread and casing to increase resistance to punctures.

- RR-S AR Compound offers outstanding grip on both rough roads as well as pavement in all weather without compromising on speed - Single-layer SRC casing delivers an incredibly supple ride with superior rolling efficiency at a super low weight - Race Shield puncture protection provides superior puncture protection without compromising speed or road feel - Carbon/Kevlar Composite bead keeps the tire secured to the rim and provides greater strength to withstand the higher pressures needed for road tires

A high performance all-road tire that performs well through a wide range of inflation levels. The mix of small, closely spaced center knobs and longer, taller cornering tread blocks is appreciated in soft or loose surfaces. - ZSG (Zero Slip Grip) natural rubber compound provides consistent performance through a wide range of temperatures and wears well - Bead-to-bead puncture protection belt - 126tpi Advanced Extra Alpha casing performs well through a wide psi range, minimizes rolling resistance - Actual width of installed tire can vary by 6mm or more depending on inner rim width and inflation pressure. - Tubeless compatible Specs: - PSI: 60 - ISO Diameter: 622 / Road / 29" - Tire Intended Use: Gravel - Tire Type: Tubeless Ready Clincher - TPI: 126 - Tire Bead: Folding - Tire Diameter: 700c

- Hybrid tire for street or light trail use - Wire bead

- Street urban comfort tire w/smooth center grooved for traction & lateral knobs for grip - Wire bead

- Street tire - Grooved tread with directional siping - Wire bead

27 x 1-1/8-inch replacement tire from Sunlite. - Bead: Wire - TPI: 27

- Recreational tire with raised center, slight lateral grooves for traction - Size: 700 x 23c

- Street tire - Grooved tread with directional siping - Wire bead - Size: 27 x 1 1/4 - ISO 630

- 120tpi casing with Aramid puncture protection—TechBELT - SmartEVO compound

- Enhance your riding experience with the Tubeless Ready version of the MICHELIN Power Cup tire - The tires used by the Cofidis team for riding at monuments and Grands Tours - Speed and comfort provided by Tubeless Ready technology, speed and efficiency inspired by MOTO GP technology - Light and reliable thanks to the Tubeless Shield technology and 4x120 TPI casing - Efficient handling and stability in both wet and dry conditions thanks to the MICHELIN GUM-X compound

- Ultimate XC Racing tire with lots of speed and grip - Well suited for a variety of riding conditions. - Fast accelerating, hard-pack cross-country tire - Numerous knobs provide multiple contact points with the ground

Ride on the sidewalk, off the sidewalk, over a curb, into the street, and across a bunch of dirt. Heck, with MICHELIN's Protek Cross Max tires, you can handle all types of terrain in any weather. Three dimensional cutting of the tread pattern creates versatility in all conditions, and ensures tread block mobility. In other words, you'll have superb grip, flat protection, and a smooth-rolling tire that's at home on all surfaces. Weights: 26 x 1.60 (980g) 26 x 1.85 (1285g) 700 x 32c (845g) 700 x 35c (950g) 700 x 40c (1100g)

Power Cross Jet tire features small blocks on the tread pattern provide excellent tread strength and maximum speed. - Improved transmission of pedaling power for controlled grip - Specially adapted reinforcements provide safe, low-pressure riding on all terrains

Smart Sam goes well on any terrain and even on the road it rolls effortlessly. It will roll over just about anything in the Double Defense version.

- A mixed terrain tire for a new era of riding, gravel, dirt, asphalt - Features a raised center for fast rolling on asphalt, with specially designed side knobs that corner well on dirt and maintain traction on the street - Hard to find 42c size bridges CX and mountain biking - A excellent choice for the Soma Double Cross, Saga, Wolverine and the New Albion Privateer - Made in Japan - Folding bead - Weight: 495g

- Inspire your confidence with the MICHELIN Power Cup tire for racing and training - Speed and efficiency inspired by MotoGP technology - Light and reliable thanks to the MICHELIN Aramid Shield Technology and 3x120 TPI casing - Efficient handling and stability in both wet and dry conditions thanks to the MICHELIN GUM-X compound

- Race oriented semi-slick tire - Maximum efficiency on light terrain, hard pack, and asphalt - Supple construction for a smooth ride and high puncture protection for tough racing conditions - Super Race construction

- Designed for the needs of road and light off-road terrain. - Perfect choice for daily city adventures. - Knobby tread pattern, inherited from the MT60 RS, this tire provides agile road handling, comfort, grip and traction on dirt and gravel. - Lower center line for better rolling and higher lateral knobs to handle light off-road terrain. - Meets ECE-R75 and ECE-R88 certification requirements. - Suitable for traditional and electric bicycles.

- Built to cover a wide range of conditions. It aims to be the perfect travel buddy for your bikepacking adventures. - Featuring a reinforced and sturdy tubeless-ready 60tpi carcass plus a bead-to-bead protection layer. - Designed to resist lateral cuts on different grounds. - Lighter on the central part and more aggressive on the shoulder, the knobs are off-road oriented to promote rider support from light gravel to extensive trips. - ProCompound Gravel developed for extended mileage. - The combination of tread design together with the compound prioritizes traction and grip on different surfaces, designed to allow the rider to go everywhere.

- Tire Diameter/ISO: 700C/622 - Tire Width: 28C - TPI: 60TPI - Bead: Folding - Tire Compound: Smartnet Silica - Tire Technology: ArmourTech - Tire Type: Tubeless Ready - Tire Width Range: 18 - 29 - Labeled Size: 700x28C - Tubeless Technology: Tubeless Ready

- Medium profile and tread spacing for riding quickly and confidently over a mixed variety of terrains, from hard to soft, whether for dry or wet - SpeedGRIP Compound formulation for on and off-road rolling efficiency coupled with high tear resistance and high wet grip - High-strength woven Nylon fabric from bead to bead for added cut and puncture protection - Multi-ply 127tpi Nylon casing construction - Tubeless-ready aramid folding bead optimized for wide rims and lower pressure riding

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.

Whether on the road, on gravel or on forest paths – this all-rounder is a perfectly equipped touring tyre. Due to the pronounced centre tread, the tyre has excellent rolling characteristics and brings frequent riders quickly from A to B. The bionically designed and laminated shoulder provides good support and guarantees a safe cornering. Best Continental Racing Bike technology for touring bikers. Whether on the road, on gravel or on forest paths, this all-rounder provides maximum protection against punctures, thanks to Vectran Breaker.

Fast, safe and comfortable — guaranteed! The Contact is the jack-of-all-trades among city and trekking tires. Its tread design is based upon the principles of bionics. A uniform center tread/belt assembly ensures a smooth and speedy ride on the road. Flexible shoulder lugs and fine sipes guarantee grip in curves and on loose surfaces. The overall tire construction rounds off the overall high quality. The ultra fine carcass fabric reduces the rolling resistance while providing a noticeably more comfortable ride. Reflective sidewall for extra visibility. Reflective Sidewall: REFLEX is 3M reflective is commonly known to be one of the most highly reflective material options. A thin, silver light-reflecting strip on both sidewalls that adds visibility and safety to Continental's city / commuter / urban tires.

For finding your way off-road. For more comfort. For the adventure. Be it the long tour or the shortcut on your way home, the Terra gravel series by Continental gets you there over rough and smooth. Choose another road, choose Terra. - A user-optimized tubeless system is specifically designed for road cycling demands. Easy to install and reliable in use. - ProTection technology gives our tires the perfect mix of fast rolling, grip, and puncture protection. Four plies under the tread and three in the sidewalls result in greater resilience and less vulnerability to damage. - A specifically developed tubeless bead seals through its unique shape and provides a stable fit on the rim.

Safety during cold and dark seasons: The spikes guarantee traction, while the reflective stripes ensure visibility. Maintain full control of your bicycle even in turns and hard stops. - Our recommendation for snow and icy roads - Includes 120 spikes SafetySystem Breaker The SafetySystem Breaker is made up of Kevlar-reinforced, high-strength nylon fabric. Puncture- and cut-resistant but nevertheless light and flexible, the tire adjusts quickly to the surface below. Without raising the weight or rolling resistance noticeably, it protects the carcass against foreign objects and contributes to a longer lifespan of the tire. Tires with the SafetySystem Breaker also provide good comfort properties. Suitable for E-Bikes For our E-Bike tires, we relied on over 100 years of experience with moped and motorcycle tires. All of our city/trekking tires are rated to a standard speed of at least 25 km/h. Those tires marked e50 are also certified for S-Pedelecs. With their high-quality structure, puncture protection is high and the rolling resistance is low, offering protection from premature wear brought about by the additional driving force.

- Premium mobility for design enthusiasts. - Urban profile packed with the latest technology. - The perfect symbiosis between light-rolling and puncture protection reflected in this specialized tire designed for the City Jungle. - Faster? Not a problem with approval for E-Bikes up to 50km/h! PureGrip Compound Based on activated silica compounds, this technology was originally intended as a performance level compound, but after intensive development at our Korbach Research and Development Department Facility, an advanced new compound with outstanding grip and cross-country properties was developed. This new rubber mix, given the self-explanatory name "PureGrip", is ranked just behind our BlackChili Compound and is being used in our performance products both in the road and mountain bike sectors. While providing great grip, it is also long-lasting and highly durable—both characteristics of Continental tires, which are exclusively manufactured in the factory in Hefei (Asia). SafetyPro The new SafetyPro Breaker designed from nylon textile. Cross-woven textile fiber netting that is simultaneously robust and flexible. Maximum puncture protection with minimal added weight. The risk of punctures resulting from glass or sharp stones is substantially reduced. E50—Suitable for E-Bikes For our E-Bike tires, we relied on over 100 years of experience with moped and motorcycle tires. All of our city/trekking tires are rated to a standard speed of at least 25 km/h. Those tires marked e50 are also certified for S-Pedelecs. With their high-quality structure, puncture protection is high and the rolling resistance is low, offering protection from premature wear brought about by the additional driving force.