700c > 27-Inch > 650c

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

Versatile and confidence inspiring, the Gravdal securely navigates through harsh winter conditions with concave carbide studs for added traction in icy conditions. - Siping creates a more conforming lug for added traction - Concave carbide studs provide traction in the iciest conditions - Reflective strip on sidewall makes you more visible when riding in low-light conditions - Fits most bikes with cantilever or disc brakes

- Built with a cotton and aramid casing with a latex inner tube for maximum performance - New compound from the Power All Season range for maximum grip on wet and dry surfaces - Robustness based on "High-Density Protek" technology, a cross-laid reinforcement on the tire cap covering the tread - Tubulars developed and used by Team Cofidis during the 2018 and 2019 seasons in the World Tour

This race-day-specific weapon has raised the bar on tire technology. The Corsa Speed uses a proprietary Graphene compound, which is then paired with an ultra-fine Corespun-T casing. The end result is a tire that maintains the lowest rolling resistance, while still providing the trademark Corsa suppleness and outstanding wet weather grip - 320 TPI Corespun cotton casing - Proprietary Graphene compound - Lightweight, flexible latex inner tube

Continental's Attack Comp is designed for use as a front tire. It's hand made in Germany and features their Black Chili rubber compound for excellent performance, their Vectran Breaker puncture protection, and a supple 3-ply, 110 thread-per-inch casing for sweet compliance to smooth every ride. It also boasts Conti's TirePositioningSystem (TPS) to maximize its aerodynamics and cornering.

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 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

- P Zero Velo TUB brings the handling and cornering behavior Pirelli is famous for to the finest handmade tubular construction. - It was developed on the fields of World Tour racing and in its debut year it already is a winner of a grand tour. Now available for your own. - Corespun 320tpi w/aramid reinforced casing. - Anti-puncture belt under the tread. - Latex inner tube for better weight, rolling and anti-puncture. - Soft yellow compund for racing usage. - Designed for modern wide tubular rims. - 48 mm RVC valve.

Continental's Cyclo X-King Tubular rolls quickly, grips great and showcases the ride quality that you expect from a handmade German tubular tire. Short, smartly spaced center knobs speed you down the course, and taller square knobs line the shoulders for excellent cornering and control in a variety of conditions. The result is an awesome performing cyclocross tire you'll love.

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 Grand Prix 5000 S Tubeless Ready allrounder tires are lighter, faster and supported with stronger sidewalls, compared to previous GP5000 versions. Designed to be compatible with hooked and hookless rims, this new standard in road tubeless ready technology will allow you to ride faster, more comfortable and with increased puncture protection. - Hookless rim compatible up to 73 PSI / 5 bars - The tubeless ready (TR) carcass construction is robust and impervious against damage and penetration from foreign objects. The result: versatile, low weight and an attractive design. In addition, tires made using this technology can also be used as Tubeless or with an inner tube - Vectran Breaker is a synthetically manufactured high-tech fiber with an enormous tear resistance at a very low weight: Exactly the right properties to process into a premium Continental bicycle tire as a puncture protection insert - Active Comfort Technology absorbs vibrations and smoothens your ride - Lazer Grip, to make you one with the road. The lazered micro profile structure expands over the tire’s shoulder and provides outstanding cornering - BlackChili Compound provides the best balance of grip and rolling resistance for cycling

- The P ZERO Race TLR is crafted to pack all the benefits of tubeless technology into a race-ready all-rounder which outperforms all cycling clinchers that we have created before, tubulars included. - 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! - Techwall+ Road: New TLR casing technology with multiple layers of reinforcement to provide superior puncture protection within a lightweight structure - 28c and 30c width is compatible with hookless rims according to ETRTO 5bar/73psi max pressure limitations. 24c and 26c width are NOT compatible with hookless rims.

- This lightweight and fast tire is crafted to pack the key benefits of tubeless technology into a race-day product, emphasizing speed and handling and exceeding the performance of any other Pirelli bicycle tire in this class, TT and lightweight tubulars included, without compromising on puncture protection thanks to the TechWALL casing technology. - After three years of development working with the fastest racers at the World Tour level, Pirelli designed this new tubeless-ready tire with the new SmartEVO compound to provide our Professional riders as well as all cycling enthusiasts, with our best bicycle racing tire to date! - Techwall Road: New TLR casing technology with an added layer of reinforcement to provide superior puncture protection in a lighter structure - 28c width is compatible with hookless rims according to ETRTO 5bar/73psi max pressure limitations. 24c and 26c width are NOT compatible with hookless rims.

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 PPS Ganzo + PPS2, a lightweight and supple Puncture Protection System, and a high mileage, grippy, natural SMARTplus tread compound. The Presta valve includes a removable core.

- Maxxis' fastest and lightest road racing tire - Light and supple 170 TPI casing, K2 puncture protection, and HYPR-S combound - This new compound retains the grip found on the original High Road, but reduces rolling resistance by 12%.

Beat your time against the clock with Michelin Power Time Trial tire. More rolling efficiency to drop seconds with the Race2 Compound and 3x180 TPI casing, lightweight thanks to the flexible aramid beads that combine robustness and lightness. Designed exclusively for Time Trial events, triathlons, triathlon marathons. - Race-2 Compound : New generation of rubber compounds designed to improve rolling resistance

The Corsa Control tackles greasy cobbles and rough roads with all the confidence of Vitttoria's classic Corsa. This chevron tread pattern adds dynamic performance to the Corsa Control tread, allowing for increased grip on slippery surfaces, as well as added durability. - 4 separate Graphene compounds deliver speed, suppleness, durability, and reliability - Corsa level confidence for rough roads - Reinforced Corespun-K casing for increased sidewall protection

This race-day-specific weapon has raised the bar on tire technology. The Corsa Speed uses a proprietary Graphene compound, which is then paired with an ultra-fine Corespun-T casing. The end result is a tire that maintains the lowest rolling resistance, while still providing the trademark Corsa suppleness and outstanding wet weather grip - 320 TPI Corespun cotton casing - Proprietary Graphene compound - Lightweight, flexible latex inner tube

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

- The next generation of tubeless tires. A truly thrilling ride. It's fast. It's reliable. It's light. - The patented MicroSkin construction makes this all possible. The rolling resistance is minimal! - All around cut resistance and puncture protection are extraordinary. - This is the absolute top model from Schwalbe! - The Schwalbe One Pro can also be used with a normal tube, but its true strengths are experienced only in tubeless form.

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.

- All-purpose road race tire - Refreshed for 2021 with a new lighter weight casing, upgraded puncture protection, and a revised tread pattern

Our lightest and fastest road tire - 170 TPI casing - HYPR-S compound - K2 puncture protection The Maxxis High Road SL is the fastest and lightest road racing tire we have ever produced. Starting with our lightest and most supple 170 TPI casing, we add our K2 puncture protection, and top it with our fastest compound: HYPR-S. This new compound retains the grip found on the original High Road, but reduces rolling resistance by 12%.

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.

Speed and reliability for riders pursuing a new performance level Corsa N.EXT is the exciting new addition to the Corsa family. Designed to satisfy the requirements of enthusiast cyclists who clock up the miles on long and demanding weekly rides, Corsa N.EXT combines Vittoria's peerless knowledge of racing performance with the durability of a long-lasting nylon casing that uses a unique Silica and Graphene compound for improved rolling efficiency, grip and longer wear-life. To increase puncture protection, the central section of the casing features 3 layers of nylon as well as an additional puncture protection belt. Corsa N.EXT is the first road racing tire to feature a QR Code—printed on the tire hot patch—for easy access to useful technical information about the tire. Racing inspired speed and feel, with the everyday durability of nylon construction - New combination of Silica and Graphene compound for improved rolling efficiency, grip and longer wear-life - Nylon casing provides durability, for daily racers who want to raise the bar of their performance relying on a long-lasting tyre - Proven tread design used by Vittoria teams in the World Tour

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)

The Corsa Control tackles greasy cobbles and rough roads with all the confidence of the Vitttoria's classic Corsa. This chevron tread pattern adds dynamic performance to the Corsa Control tread, allowing for increased grip on slippery surfaces, as well as added durability. - 4 separate Graphene compounds deliver speed, suppleness, durability, and reliability - Corsa level confidence for rough roads - Reinforced Corespun-K casing for increased sidewall protection

- 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

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