700c, 27-Inch & 650c

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.

For your way off-road. For more comfort. For the adventure. Be it the long tour, or the shortcut on your way home. The new gravel Terra series by Continental gets you there. Made to get you over rough and smooth.

Perfect for stylish urban steeds, Continental's Retro Ride matches old-world looks with modern technology. Its smooth center tread ensures low rolling resistance, easy pedaling and confident cornering, making it great for commuting and all-around riding. A tough belt beneath the tread provides excellent puncture protection, and the Reflex reflective stripes add a bit of safety.

An energetic cosmopolitan! Tires are a safety-relevant component of each bicycle. High speeds and the additional weight from the battery and drive of an e-bike of up to 50km/h make a special e-bike tire necessary. A high-quality additional rubber 3/180 TPI reinforced carcass forms the solid frame of the E.CONTACT. The SafetyPLUS Breaker puncture protection specially developed for the high demands on e-bikes, protects the tire reliably against punctures and cuts. The profile of the tire is just as at home on asphalt as on gravel and forest trails – a good all-around tire.

Traffic signal sprinter! The SportContact turns any bike into a racer. The 26 version helps the bike messenger meet those deadlines while the 700C tire gets the fitness biker into a speed frenzy. All this added speed for your bike with zero detriment to puncture protection and reliability! 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 your way off-road. For more comfort. For the adventure. Be it the long tour, or the shortcut on your way home. The new gravel Terra series by Continental gets you there. Made to get you over rough and smooth. Choose alter road, choose Terra. Tubeless Ready Developed especially for the mountain bike sector, this additional puncture protection layer which completely encircles both tire beads makes our carcasses robust and impervious against damage and penetration from foreign objects. For maximum effect we combine ProTection with BlackChili Compound. The result: versatile, low weight and an attractive design. In addition, tires made using this technology can also be used as Tubeless Ready. ProTection The ProTection technology gives our tires their perfect mix of fast rolling, grip and puncture protection. Four plies under the tread and three in the sidewalls make this possible. The whole tire attains greater resilience and becomes less vulnerable to damage.

The Grand Sport Race encourages peak performance. The perfect blend of high puncture protection, comfort and smooth running makes it the ideal tyre for competitions and tours. Other plus points are maximum cornering grip and durability. The all-rounder is ready for every challenge even the biggest ones.

Sticks and stones and other sharp, pointy objects won’t stop Continental’s long-lasting Super Sport Plus tire. It's armed with Continental’s stalwart PlusBreaker flat protection system, a tough sub-tread that prevents punctures. This layer is highly elastic, too, so that the ride remains light and lively. This is the tire you want on your wheels when you tackle the urban jungle.

Continental's Gatorskin is a super long-wearing and reliable tire that's fast and great handling, too. It features a supple 180-thread-per-inch casing, a bead-to-bead layer of DuraSkin, and a Kevlar-reinforced top layer. The result is a lightweight tire that rolls and corners with the best of them while providing flat protection and durability second to none.

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.

Terra Trail is for your way off-road, with a little more bite. For more comfort. For the adventure. Be it the long tour, or the shortcut on your way home, the Terra Trail tire is made to get you over rough and smooth terrain. - Increased tread and outer knobs for improved traction in loose terrain and cornering - Designed for multi surfaces with reliable protection - ShieldWall System provides the optimum combination of high puncture protection and the low rolling resistance with low weight. This is made possible by an additional all-round puncture protection layer, which consists of a finely woven cross fabric. This gives the tire a high resistance to punctures and damage while maintaining a high degree of flexibility to adapt perfectly to the ground - PureGrip Compound is derived from an activated Silica compound to do exactly what it says; offer exceptionally good grip and durability - E25 e-bike rating features a high quality structure with puncture protection to reduce premature wear brought about by the additional driving force

Designed for intensive training, it is equally suitable for racing events. The Rubino Pro builds on the standard Rubino platform, utilizing the same exclusive 3C Graphene compound structure, long service life, puncture protection, and sharp handling traits, but substitutes a folding bead material for reduced weight. The Rubino Pro has long been a favorite for both training and racing, and with the addition of Graphene technology compounds, is more versatile than ever! - Graphene rubber compounds

Don't let terrain tell you what to do. Fit your rims with MICHELIN's Protek Cross tires and you'll be equipped for any terrain and any weather condition. 3D cutting of the tread pattern creates excellent grip in all circumstances. If you're into the idea of maximum control, easy rolling, and superb handling no matter what the weather, the Protek Cross will be right up your alley, street, dirt path, and more. Weights: 26 x 1.60 (765g) 26 x 1.85 (920g) 700 x 35c (740g) 700 x 40c (840g)

Stradius Sport is an excellent performance tire. Equally adept in a training or commuting role, the Sport has an Aramid bead with an extra-strong 800D casing. - Natural and synthetic rubber yielding durability and performance - Tire Type: Clincher

- Unleashing profile and breathtakingly fast – especially when large volume counts. - As a 30-35mm wide road race version with V-Guard protection, G-One Speed is a tire for the real tough jobs. - It is also a guarantee for maximum speed in the extra-wide 50mm execution – of course not only at the fascinating beach races on Holland's coasts. - The new G-One Speed is an evolution of the former S-One and Big One.

Mating an efficient tread pattern with a high-volume and robust construction, the County is a versatile companion at home on any surface. Widely-spaced side knobs offer confidence on loose terrain while a smooth center tread minimizes rolling resistance. Goodyear's R:Wall sidewalls and Tubeless Complete construction ensure enhanced durability and fewer flats when the going gets rough. - Tubeless Complete: Tubeless bead combined with a multi-compound air-tight material layer - 120 TPI Casing: Supple casing for improved ride quality - Dynamic:Silica4 compund: Formulated for the best in grip and longevity - Secure Sidewall: Anti-cut layer for added sidewall protection

Whether in gravel or cyclocross, one thing is for certain—course conditions are constantly changing. When you roll up to the start line, be confident knowing that you have the performance advantage of the Terreno Mix all-conditions tread. At the heart of the design is a fast-rolling center ridge, designed to minimize rolling resistance while still providing confident braking traction. Cornering and off-camber work is confidently handled by alternating open shoulder lugs. These lugs are shaped to allow a supple feel for pavement and hardpack surfaces while still offering a solid effective edge for grass and loam terrain. If you are looking for that one tire to do it all, Terreno Mix is your choice! - Open shoulder lugs for secure off-camber traction - Traditional tread profile for smooth transitions across a broad range of terrain

- Compound: ZSG AGILE COMPOUND - Breaker: TOUGH & FLEX SUPER BELT - Casing: Advanced Extra Alpha Cord

- Long-lasting and durable tread compound for wear life - Puncture-resistant belt all but eliminates flats - ECE-R75 (European Certification e-bikes)

The big news from Donnelly is the upcoming EMP gravel tire, which pulls its name from the airport code for Emporia, Kansas, home of a kinda popular gravel race that crushes souls every year. The tire is a departure from their usual tread design, getting a tighter tread block pattern without a well-defined center strip like most all of their other tires. It’s still designed to roll fast, which is key if you’re racing any long distance gravel bike event, but with bigger side knobs to handle more aggressive cornering. - Smooth-rolling center knobs and aggressive shoulder lugs - Soft rubber compound for extra grip and shock absorption - Integrated puncture protection belt under the tread - Tire Intended Use: Gravel - Labeled Size: 700 x 38 - Tire Bead: Folding - Tire Diameter: 700c - Tire Type: Tubeless Ready Clincher - Weight: 484 - Weight (oz): 17 - Flat Protection: Tread

Do endless miles of dirt road call to you? Are you looking for a boost to your speed in the next gravel grinder? Or, maybe you are planning a cross-country trek and want the quickest and most durable tire possible; look no further than the Alluvium Pro. The Kenda Alluvium Pro is an all-new gravel and adventure tire that is as capable on pavement as it is on hard-conditions singletrack. Featuring a tread design optimized for speed, with low profile knobs to aid in reducing rolling resistance combined with a new single tread rubber compound, the Alluvium offers both speed and grip. The GCT casing wraps the tire from bead to bead with a secondary casing layer acting as a shield against punctures and sidewall slashes. Seating the tubeless bead is made even easier with the GCT casing. A reflective hot patch on the tire adds visibility in low-light situations.

The Kenda Kross Cyclo Hybrid Tire works excellent in rocky/loose terrain and equally well on pavement. A great cyclocross tire for commuting and riding the local trails. - Please note, these tires are gumwall sidewall but the shading varies

The Kwick Drumlin is hard to beat: K-Shield protection and a long lasting compound make it a reliable companion. Burly side knobs give confidence and grip on wet or loose conditions. Feels at home on concrete as well as gravel paths and forest roads.

The ultimate touring tire, made for roads, tracks and trails of all continents. The tread pays homage to its legendary Marathon XR predecessor. Construction and compounding are naturally the very latest Schwalbe Evo technology. TravelStar compound for the best handling characteristics, Double Defense technology makes it light, but with an extremely robust construction. The world is round. Ride it.

Schwalbe Pro One Road Tire is a fast, reliable, and light tire. the Pro One remains controllable at all times - on the fastest descents, in extreme cornering, in all conditions. - Minimal rolling resistance - All-around cut resistance and puncture protection - ISO Diameter: 622 / road / 29" - Tire Intended Use: Road - Tire Type: Clincher Tire - Type: Folding - Tire Diameter: 700c - Weight: 215g - Pressure: 6.0-10.0 Bar (85-145 psi) - Maximum load: 70 kg ADDIX Race Compound Offers tenacious grip at high cornering speeds and extensive durability in E-operation. Evolution Line The very best possible. Highest grade materials. Latest technology. V-Guard Extremely lightweight and cut-resistant high-tech fabric. Soupless Carcass Souplesse Carcass Construction Special turn-up construction for an exceptional riding experience in race tires.

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".

- Smart DualGuard Protection - Addix-E Compound - ECE-R75 certification makes the tires ready for E-Bikes of all classes

- All day protection and comfort for dirt and gravel - Super strong anti-flat casing

- Maximum puncture protection - New dynamic profile - SmartGuard belt

P ZERO Race TLR synthesizes the advantages of the tubeless technology in an all-rounder cycling tire for high-intensity training sessions and races. The TechWALL+ Road carcass improves reliability against punctures without affecting the weight of the tire, while the special SmartEVO Compound enhances grip performance both on wet and dry asphalt compared to our previous cycling compounds. The tread pattern of P ZERO Race TLR is an evolution of the design of P ZERO Velo: several seasons of research and development on the roads of the World Tour led to a new design that enhances the behavior of the bicycle in all weather conditions. - Using experience from World Tour racing, coupled with a constant desire for excellence, the Pirelli engineers have developed the best-performing all-around bicycle race tire ever conceived by the iconic brand. - The P ZERO Race TLR is crafted to pack all the benefits of tubeless technology into a race-ready all-rounder that outperforms all cycling clinchers that we have created before, tubulars included. - After three years of development working with the fastest racers at the World Tour level, including men's and women's 2019 UCI World Champions, Pirelli designed this new tubeless-ready tire with the new SmartEVO compound and the TechWALL+ casing technology to provide our professional riders, as well as all cycling enthusiasts, with a superior product! - SmartEVO Compound is a new formulation that enhances the already excellent performance of our previous road cycling compounds. The experience of motorsport competitions and World Tour winner input led to our best road cycling compound ever. - Techwall+ Road: New TLR casing technology with multiple layers of reinforcement provides superior puncture protection with lightweight construction.

- The Cinturato All Road is your choice when tarmar, hardpack trails or light gravel are on your way. - Reinforced and sturdy tubeless-ready 60tpi carcass plus a bead-to-bead protection layer. - Designed to resist lateral cuts on different grounds. - A slick center line encourages fast and smooth riding on tarmac and pavement. - Progressively higher small paddle-knobs are designed to provide solid traction on light gravel, with more aggressive and solid knobs, derived from our Scorpion range, for cornering confidence and leaning. - ProCompound Gravel developed for extended mileage. - The combination of tread design together with the compound prioritizes traction and grip for quick riding on any surface either in town or countryside.

- Gravel-racing specific tire, derived from our experience in the biggest competitions around the world and feedback from Pro athletes. - Tread design inspired by the Scorpion XC RC. - Key features: Higher average speed on straight and fast lines, improved lateral grip when off-road cornering.

Schwalbe's Marathon Racer offers excellent puncture protection in a fast-rolling, slick-tread tire. Their SpeedGrip rubber compound means great handling and long tread life, too.