700c, 27-Inch & 650c

The GP Attack benefits from its special version of Continental's Black Chili Compound that gives the streamlined 23mm front tire more grip with lower rolling resistance. The optimum front tire gets you quickly into the turns, feeling light and responsive while providing ample life. The GP Force is a powerful rear tire and with its 25mm section combined with a fast Black Chili Compound, it gives excellent traction and road handling that’s second to none. Both tires are made with Vectran puncture protection and show wear and tear levels via indicators in the tread, details that show professionals are at work. *Includes both Attack (front) and Force (rear) tires.

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.

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.

- LAS is the airport code for Las Vegas, Nevada, where a fast semi-slick tire is best suited for dry conditions and grass like that found on the Cross Vegas course - Tubular version features a durable rubber coating to prevent deterioration from water, mud, and dirt - Fast-rolling file tread gets progressively taller and coarser as it approaches the PDX-inspired shoulder knobs - Weight: 378 grams

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

The Corsa has been the race-day choice of pros for years, and is now better than ever with 4C G+ compound technology! The latest Corsa is an evolution of the brand, and brings multiple industry-first technologies to market. Starting with our supple yet durable 320 TPI Corespun-K reinforced casing, and adding a proprietary mix of 4 different Graphene ISOtech compounds, the new 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. - The world’s best tire just got even better! - 4 separate Graphene G+ ISOtech compounds deliver speed, suppleness, durability, and reliability - Reinforced Corespun-K casing for increased sidewall protection - World Class performance for the world's best athletes

Your search for an internediate, all-conditions 'cross tire is over! Challenge's Chicane can tackle it all, whether the course is dry and fast, or thick with mud. The grippy side knobs ensure you stay upright in every technical turn, and the center file tread rolls fast and smooth. It's built on Challenge's light and supple 300tpi hand-made SuperPoly casing with polyester-reinforced sidewalls, and there's an anti-puncture strip under the tread. The integrated latex tubes are lighter, thinner, and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats.

Limus means mud in Latin, which is exactly what Challenge's Limus 33 Tubular tire dominates. Its deep, aggressive and well-spaced knobs cut through muddy ground and grip great. You'll be zooming through the corners and off-camber sections thanks to its grippy side knobs, and powering up inclines with ease thanks to the tall center knobs. It's built on Challenge's light and supple 300tpi hand-made SuperPoly casing with polyester-reinforced sidewalls, and there's an anti-puncture strip under the tread. You also get a latex tube. Latex tubes are lighter, thinner and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats, too.

Race it hard or just head off the beaten path. Challenge's Strada Bianca gravel tire urges you to take the road less traveled. Challenge is world-renowned for their tubular tires, and these are prime examples of their trade, with the smooth riding characteristics and flat resistance that pros and enthusiasts expect. At a gravel and chip seal-smoothing 30mm wide, these tires have the extra volume it takes to comfortably fly over less-than-perfect surfaces. With their supremely supple 260tpi casing, hand-laid, high-mileage rubber tread, Paris-Roubaix-proven chevron tread, and double puncture barrier, the Strada Bianca tires offer incredible levels of control, puncture resistance, and comfort.

For the ultimate in road feel and confidence, ride Maxxis' tubeless Padrone TR tire. Going tubeless, you not only remove the weight of the tube, but pinch flats are a thing of the past. Also, the tire conforms to the road better for a ride quality that once felt, you'll never want to go back. This tire goes from long training rides to fast races easily with its dual compound that provides enhanced wear life and improved cornering control. It also uses their Silkworm material for puncture protection, along with a high-strength carbon fiber bead to keep the weight down.

Maxxis brings radial construction to a bike tire for a ride you have to feel to believe. The tubeless-ready Radiale smooths rough pavement by allowing the sidewall to bend and flex with ease. Its 120TPI casing delivers a supple road feel with fast-accelerating low weight. Maxxis adds their 3C Triple Compound Technology with a fast-rolling center section and softer sides for sure-steering in the corners. Plus, Silkworm puncture protection from bead to bead wards off flats. - Folding bead - Weight: 280g (700 x 22c), 305g (700 x 24c)

Whether it's fondos or races, Challenge's Strada Tubular tires are the choice of pros and enthusiasts alike. At 25mm wide, these tires smooth out rough pavement and chip seal. The core-spun cotton casing is light, supple, and offers an unparalleled ride. Pair that with a latex tube and you've got tires that carve the corners and feature incredibly low rolling resistance. The chevron tread provides excellent traction whether it's wet or dry. A puncture-protection belt under the tread protects your tires from road debris and helps you knock out the miles.

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.

Our new Terra Tubular tire is the tire of choice for cyclocross purists, as it's designed for grip and speed in the muddiest of conditions. Along with the new tread pattern, the Terra Tubular also features our GRIPTON compound that stays soft and supple when Mother Nature turns on the A/C. And finally, this tubular iteration provides 'cross riders with the proven flat prevention and performance that many have come to love. - Usage: Cyclocross mud tire - Audience: Purists - What's Special: GRIPTON compound stays soft and supple when temperatures drop low. - Why Tubular? It's what every racer uses. - Casing: 290 TPI - Latex inner tube - 28" x 33mm, PSI 20-90, Approximate weight: 480g

The Tracer features an all around cyclocross tread for predominately hard-packed courses. The tread remains stable at low tire pressures, rolls smooth on tarmac, and finds grip when taking tricky turns onto gravel or grass. The GRIPTON compound, meanwhile, stays supple in freezing temperatures and even delivers surprising grip over wet roots. So when you're serious about your CX racing, the cotton casing Tracer Tubular is a perfect choice. - Casing: 290 TPI - Latex inner tube - Compound: GRIPTON - 28" x 33mm, PSI 20-90, Approximate weight: 435g

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

Challenge's Forte Tubular has an aggressive tread for an excellent ride in wet weather. It's hand made on their supple 300tpi SuperPoly casing with a durable tread compound and tough polyester in the sidewalls. The center tread rolls quickly while the side tread sticks to the road in the corners. You also get a puncture-resistance layer beneath the tread and a latex tube. Latex tubes are lighter, thinner and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats, too.

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.

With the Sagan Collection, we’ve developed two different personalities of Peter’s racing style and transformed them into a collection of products, Overexposed and Underexposed. The Overexposed collection highlights the “star-of-the-show” side of Peter, with loud, yet elegant, silvers with touches of rainbows. Meanwhile, the Underexposed Collection represents the reserved, “below the radar” Peter with blacks, greys, and rainbows. It's time to start chasing your own rainbows. We're not afraid to say that our GRIPTON compound is the best out there. And when combined with an ultra-supple 320 TPI cotton casing, you get a tire that's very special—you get the Turbo Cotton tire. But don't take our word for it—it's Peter Sagan's tire of choice, and because of his love for it, we've made him a Sagan Limited Edition version. Both materials stand for master craftsmanship, and they work in harmony to reflect our dedication to building the world's fastest tires. By bringing both of these materials together, we've created the best clincher tire out there. It provides a clear-cut performance advantage. - Casing: 320 TPI Polycotton - Bead: Foldable - Compound: GRIPTON - Flat Protection: BlackBelt - 700 x 26mm, PSI 95-115, approximate weight 240g

Glue yourself to technical turns and gain speed on the course with Challenge's Baby Limus Open tubulars. - Use: Cross Racing, Sticky Mud - Size: 700C - Tire Width: 33 mm - Rim Width: 15-19 mm - Weight: 360 gr - TPI: 300 - Bead: Aramid - Casing: SuperPoly - Flat protection: PPS - BAR: 2-6 - PSI: 30-90

- Hutchinson's pioneering tubeless technology eliminates tubes for a lighter, faster accelerating wheel that can be run at lower pressures - Larger volume tire for training and comfort on rough roads - Special bead compound and a thin layer of rubber inside the casing seals the tire - Thermoplastic reinforced compound for maximum wear - 127 tpi casing

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

- Premium lightweight tubeless cyclocross (CX) tire - Optimized knob pattern for superior grip in wet, muddy, marshy conditions - Use as front or rear with directional tread - Micro-gauge inner seal and an ultra lightweight 182tpi casing for a supple ride - Sealant use is recommended for extra puncture resistance but will run without sealant - Made in Japan

The next evolutionary step. Anyone who wants to exploit the potential of modern tire technology wholeheartedly rides Tubeless. Tubeless tires guarantee the lowest rolling resistance while maintaining a very high puncture resistance. Now all sizes of Marathon Almotion are equipped for tubeless operation. The patented Microskin construction tires are also significantly lighter. Of course, a normal tube can also be used. - V-Guard - OneStar

Schwalbe's Marathon Mondial is the ultimate touring tire ready to travel the world if you want. Handling is great thanks to their TravelStar rubber compound, and their Double Defense technology keeps it relatively light and high-performance while maintaining excellent puncture protection. Whether you're setting out on a cross-country bike tour, cruising on a tandem, or just want peace of mind during your daily commute, the Marathon Mondial is in it for the long haul.

- Dynamic in its purest form. - The OneStar compound makes it even faster. - With the new profile it not only looks good, but also rolls more nimbly than ever before. - Maximum comfort and speed are achieved in its Tubeless Easy version - unbeatable as the very fastest. - Note: The Marathon Supreme does not have a dynamo lighting strip.

- 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 X-One is now available in a “mud-version” with even coarser tread. The Cross specialist for the real muddy days. - Folding Bead - OneStar Compound and MicroSkin Casing