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, 1000+ TPI Sealed Silk 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. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Sealed Silk - Silk is a strong, soft, natural fiber casing that unlocks peak casing and tire performance. 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.

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

Michelin Power Cross Mud's tread pattern transmits pedaling power more effectively in mud terrain for a controlled grip. - For low-pressure cycling on rugged terrain using specially adapted cotton reinforcements - PSI: 72 - Weight: 380g

Many of the fastest riders in the world place their trust in these handmade German tubulars. The Competition is a world-class tire proven everywhere from the cobbles of Paris-Roubaix to your local crit series. The 180-thread-per-inch, 3-ply casing offers a velvety-smooth ride and the Vectran sub-tread provides exceptional puncture protection, reduced rolling resistance and a great road feel.

BOS is the airport code for Boston, Massachusetts, the original hotbed of North American ‘cross and home to some of the harshest weather and the toughest courses. If you’re pinning on a number in New England you better be ready for rain, roots, ruts and mud. And, you better have a set of Donnelly BOS tubulars in your quiver. This tire is even more aggressive than our mud-proven PDX. It features buttressed side-knobs for outstanding traction in super muddy corners and off-cambers, and a center tread pattern that is all bite when it comes down to a tractor pull. Size: - 700 x 33mm Weight: - 386 grams Type: - Tubular Part #: - D50030 Product Features: - Buttressed side-knobs for superior cornering traction. - Unique center knob pattern designed for maximum traction when you need it most. - Soft rubber compound provides extra grip and shock absorption. - Tubeless design means an airtight casing with no inner tube to puncture. - Rubber-coated sidewalls are extremely durable and prevent deterioration from water, mud and dirt. - No additional sidewall coating necessary. - All in one construction means tread will not peel away from the tubular casing. - Precision design creates a straight tire with no variances in size or alignment. - The tire and base tape are consistently straight making it easy to glue and install to your wheel. - A removable valve core allows for valve extenders installation as well as insertion of tire sealant. - Liquid sealant can be used with all Donnelly tubulars to prevent or repair typical punctures.

The MXP Tubular combines a unique tread pattern with our innovative tubeless casing to create an amazing all-conditions tubular. It excels on grass, loose dirt, sand, moderate mud, hard pack and pavement. The MXP is named after the airport code for Milan, Italy, site of a World Cup cyclocross venue that calls for an all-conditions tire. The tread features a classic profile with several modern updates. Precise grooves in the central chevrons allow the tread to flex and more aggressive side knobs offer traction and control beyond what you might expect. If you could only have one cyclocross tire in your quiver, the MXP is the one to have. Size: - 700 x 33mm Weight: - 378 grams Type: - Tubular Part #: - D50010 Product Features: - Center chevrons and staggered side knobs for all-conditions. - Soft rubber compound provides extra grip and shock absorption. - Tubeless design means an airtight casing with no inner tube to puncture. - Rubber-coated sidewalls are extremely durable and prevent deterioration from water, mud and dirt. - No additional sidewall coating necessary. - All in one construction means tread will not peel away from the tubular casing. - Precision design creates a straight tire with no variances in size or alignment. - The tire and base tape are consistently straight making it easy to glue and install to your wheel. - A removable valve core allows for valve extenders installation as well as insertion of tire sealant. - Liquid sealant can be used with all Donnelly tubulars to prevent or repair typical punctures

PDX is designed to keep you tracking straight in sloppy, muddy conditions. True continuous center tread tracks straight, while widely spaced tread blocks shed mud. Firm shoulder lugs are ready to bite and conquer whatever cyclocross conditions await you on race day. - Widely spaced center lugs that grip well and shed mud quickly with progressive shoulder tread that grips securely in the corners - Tire Intended Use: Cyclocross - Labeled Size: 700 x 33 - Tire Bead: Folding - Tire Diameter: 700c - Tire Type: Tubular

The Corsa has been the race-day choice of pros for years and is now better than ever. The Corsa achieves the holy grail of performance: speed, suppleness, durability, and reliability. Whether winning a Grand Tour, or a local crit, the Corsa family delivers world-class performance. - 320 TPI Kevlar reinforced Corespun-K casing for increased sidewall protection - 4 separate Graphene rubber compounds

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, 320TPI sealed corespun cotton 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. 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. Sealed Corespun Cotton - To protect our cotton casings, we apply a special waterproof, bead-to-bead coating. This treatment keeps the casing lighter, softer, and more supple, extending the tire's life and brightness. Soft - The S stands for Softer and more Supple. This tire utilizes a softer durometer tread rubber especially valuable on track and cyclocross 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.

The Chicane is a super fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. This handmade tubular combines a supple, 300TPI SuperPoly casing with natural rubber tread for improved grip, confident cornering, and quick handing. 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.

The Chicane is a super-fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. This handmade tubular combines a supple, 320TPI sealed corespun cotton 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 low rolling resistance tires. Sealed Corespun Cotton - To protect the cotton casing, we apply a special waterproof, bead-to-bead coating. This sealant keeps the casing lighter, softer, and more supple, keeping the tires looking bright and extending their life. Soft - The S stands for Softer and more Supple. This tire utilizes a softer durometer tread rubber especially valuable on track and cyclocross tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform to whatever objects impact it, 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.

Limus means mud in Latin, which is exactly where this tire dominates. Deep, aggressive, and well-spaced knobs cut through muddy conditions so you can flow through corners, zip through off-camber sections, and powering up inclines with ease. A great tire for truly extreme conditions like the 2018 CX World Championships where it won four of five gold medals. This handmade tubular combines a supple, 320TPI sealed corespun cotton 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. Sealed Corespun Cotton - To protect our cotton casings, we apply a special waterproof, bead-to-bead coating. This treatment keeps the casing lighter, softer, and more supple, extending the tire's life and brightness. Soft - The S stands for Softer and more Supple. This tire utilizes a softer durometer tread rubber especially valuable on track and cyclocross 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.

The Tempo II is one of the fastest track tubulars in Continental's arsenal, gathering medals at international track events the world over. It has also found its way onto the gossamer bikes of the WorldTour's elite climbing specialists when they need to trim grams to an absolute minimum on race day. The Tempo II features a very fine 3-ply, 180 thread-per-inch casing for a high-quality ride. And, its fine cross-hatch tread pattern maximizes grip without adding rolling resistance to give you the ultimate in speed.

Go the distance with Schwalbe's Ironman tubeless clincher tire. Specifically designed around the demands of triathlons, the Ironman excels at long, straight, open roads. With a light yet dependable V-Guard puncture-resistant belt under the tread, you'll have peace of mind during your ride, whether you're doing 12 or 112 miles.

Specialized's S-Works Turbo Tubular Allround 2 is the tire of choice for many professional riders due to its enhanced performance traits over current offerings. It features an extremely low level of rolling resistance, superior cornering traction, and astounding grip through various course conditions. In other words, it's the tire that's purpose-built to help riders get to the finish line first. - Casing: 290 TPI - Latex Inner Tube - Compound: Gripton - Flat Protection: BlackBelt

Designed to excel on roads such as the pave sectors of Ronde Van Vlaanderen and Paris-Roubaix, the Specialized S-Works Turbo Hell of the North Tubular is born, and it's right at home in the world's toughest events. The overall design supports you with more traction and comfort, and in the end, will give you more speed compared to other tires. The supple 290 TPI, cotton casing supplies you with a 15% improvement in damping and offers 20% less rolling resistance over previous tires used on the cobblestones. And for adding protection, BlackBelt puncture protection protects against flats. - Casing: 290 TPI - Latex inner tube - Compound: Gripton - Flat Protection: BlackBelt - PSI 80-150, approximate weight 325g

The Sprinter GatorSkin inherits the best qualities of the ever-popular original Sprinter, namely the durable tread compound and effective puncture resistance. GatorSkin simply adds confidence-inspiring durability and the sidewall protection of DuraSkin to an already race-proven winner. Pro riders use a similar combination in their tires for Paris-Roubaix and other equipment-destroying classics in the springtime. If you want to get the miles in, but your streets aren't covered with the finest tarmac, this is your tubular.

- World Cup edition of the aggressive, adventure-ready X'Plor MSO - Smooth-rolling center with siping to provide increased traction without a loss to rolling resistance. - Intermediate knobs and aggressive shoulder lugs to provide confidence in corner on loose surfaces - Soft rubber compound for extra grip and shock absorption - Protected sidewalls and under the tread - Tubeless casing is reinforced for wear, features an Aramid bead - Made in Europe

- The World Cup edition of the legendary Strada USH adventure tire - Made in Europe - Highest-quality nylon casing - 240 TPI - Fast, durable and smooth rolling center tread. -Exaggerated chevron pattern on sides for excellent cornering traction. - Integrated puncture-protection belt under the tread. - Tubeless-ready

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. The Tubeless Tubular version, with 260TPI SuperPoly casing, offers a unique combination of tubeless and tubular construction that's more secure on the rim and more comfortable at lower air pressures, fast rolling, and compatible with both tubeless sealants and tubeless tire plugs. This tire includes PPS2, a combination of our sub-tread Puncture Protection System and an additional layer inside the casing to increase resistance to punctures. The Presta valve includes a removable core. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Tubeless Tubular - The Tubeless Tubular system maintains all the performance benefits of the best handmade tubulars. A latex liner is fused to the casing, replacing the traditional inner tube and allowing for the use of a plug to finish a ride or race in case of a puncture too large for sealant to fix. PPS 2 - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures. Designed for rough roads and gravel, PPS2 tires have an additional protection layer between the casing and the inner tube.

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. The Tubeless Tubular version, with 260TPI SuperPoly casing, offers a unique combination of tubeless and tubular construction that's more secure on the rim and more comfortable at lower air pressures, is fast-rolling, and is compatible with both tubeless sealants and tubeless tire plugs. This tire includes PPS2, a combination of our sub-tread Puncture Protection System and an additional layer inside the casing to increase resistance to punctures. The Presta valve includes a removable core. Handmade - Handmade tires combine many attributes to create the most comfortable and low rolling resistance tires. Tubeless Tubular - Tubeless Tubular system maintains all the performance benefits of the best handmade tubulars. A latex liner is fused to the casing, replacing the traditional inner tube, allowing for the use of a plug to finish a ride or race in case of a puncture too large for the sealant to fix. PPS 2 - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures. Designed for rough roads and gravel, PPS2 tires have an additional protection layer between the casing and the inner tube.

Michelin's best road tire for competition and training with more rolling efficiency. Allowed by its casing and sculpture for a sporty ride. More robustness, thanks to its aramid top reinforcement and its 3x120 TPI casing in the flanks. More longevity with X-Race Compound designed to optimize the wear of the tread. - X-Race Compound is a new rubber compound that combines rolling resistance, grip and wear to improve tire longevity - Grip Design provides safety on cornering - Aramid Protek+ casing features extra puncture protection

The ultra-fast semi-slick tread makes the Podium TT the perfect partner when the finish is only seconds away. The time specialist scores with its lightweight while offering the benefits of superior puncture protection. A real competition tyre for time trial specialists and triathletes.

A champion in all conditions - EXO Protection - Open tread to clear mud - Ramped knobs for speed - Tubular The All Terrane is a cyclocross tire that maintains speed and composure over a wide range of race conditions. The knobs are tall enough to bite and dig in when the course gets loose but ramped for speed on harder surfaces. The open tread pattern is quick to sling mud away as soon as you pick up speed, and the Tubeless Ready construction lets you drop the tire pressure to increase the footprint on soft tracks. If you have to choose one tire, let the All Terrane lead you to the top step on the podium.

Based on Specialized's World-Cup-winning Renegade mountain bike tire, the Tracer Tubular is a great all-around tread. Its well-spaced, low-profile knobs zip over hardpack and still have enough bite to provide outstanding braking and sensational grip in the corners. For even more control, this smooth-riding tubular boasts a supple 290 thread-per-inch casing that grips terrain and keeps you powering down the course

The Chicane is a super-fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. 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 for 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 low rolling resistance tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform to whatever objects impact it, 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.

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, 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. 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.

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

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. This is your tire for rough roads, packed dirt, and most gravel surfaces. 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. Constructed using a 260TPI SuperPoly casing. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. TLR - TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube. - Handmade construction means maximum comfort. In this version, 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. PPS 2 - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures. Designed for rough roads and gravel, PPS2 tires have an additional protection layer between the casing and the inner tube.

The Icebreaker Reflect is the tire that'll keep you riding when the temperature drops. An open tread pattern that sheds snow, in combination with tungsten carbide/steel studs, is necessary to ride safely in winter conditions. It comes in both full and partial stud options for maximum traction in nasty conditions, as well as reflective accents that will increase your visibility to motorists in the low-light conditions that plague winter. - Casing: 30 TPI - Bead: Wire - Compound: 60a - Flat Protection: Flak Jacket - 700 x 38mm, psi 40-85, 138 studs: approximate weight 935g, 276 studs: approximate weight 995g