700c, 27-Inch & 650c

Versatile and confidence inspiring, the Gravdal securely navigates through harsh winter conditions with concave carbide studs far 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 - Tubeless ready - 252 concave carbide studs - 60 TPI

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. This tire includes PPS Ganzo, a lightweight and supple Puncture Protection System placed between the 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.

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

Superfast tubular track tire designed to win all track disciplines at the Olympic Games and beyond. This tubular is all about speed. By using an all-slick tread design, optimized for indoor wooden tracks, paired with a 320 TPI Corespun-T casing, the Pista Speed delivers the ultimate in low rolling resistance. - Graphene-enhanced compound dedicated to pure speed - All-slick tread for indoor, wooden tracks

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.

LAS was designed with speed in mind. Minimal tread equates to speed but secure shoulder lugs help bite when the bike is leaned in and out of corners. LAS is also the go-to for snowy, rutted, icy cyclocross course conditions, when you need as much surface contact as possible to keep your tires planted. - Diamond file center tread with progressive shoulder lugs for cornering - Tire Intended Use: Cyclocross - ISO Diameter: 622 / road / 29" - ISO Width (mm): 33mm - Labeled Size: 700 x 33 - Tire Bead: Folding - Tire Diameter: 700c - Tire Type: Tubular - Weight (oz): 13.3

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 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

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, 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.

The best all-around cyclocross tire ever created excels in wet or dry, soft packed, rocky and root-infested courses, grass, and more. The Grifo features fast-rolling knobs and a center section that offers excellent pedaling and braking traction. 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.

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 Almanzo is the ideal tire for gravel and adventure riders seeking more control than the Strada Bianca and lower resistance than the Gravel Grinder. This handmade tubular combines a supple, 260TPI 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 PPS2, a combination of our sub-tread Puncture Protection System and an additional layer inside the 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 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 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 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.

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, 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.

The Grand Prix 5000 is the best all-rounder in the field, brought to a whole new performance level. Ride faster, more comfortably, and with increased puncture protection. Its Active Comfort Technology absorbs vibrations and smooths your ride. Lazer Grip technology, designed to make you one with the road, features a lasered micro profile structure that expands over the tire’s shoulder and provides outstanding cornering. The Vectran Breaker is lighter, more flexible and protects more effectively against cuts than comparable nylon. With incredible tear resistance at a very low weight, it possesses exactly the right properties to be a premium puncture protection insert, while not adversely affecting rolling resistance. The Grand Prix 5000 Tubeless—made to make you better. With Continental's unique and legendary BlackChili tread compound, produced only in Germany, they have revolutionized the sport of cycling. This compound answers the eternal question of the best balance of grip and rolling resistance for cycling. Regular test wins confirm the measurable and noticeable advantages for cyclists, established in both the lab and on the road. The latest polymers, as well as specially developed carbon black particles and filler materials, guarantee ultimate performance.

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.

At 48 mm wide, the Hatcher Pass hits the sweet spot between narrow gravel tire (38 mm) and mountain bike volume (55 mm) – ideal for the latest generation of gravel and all-road bikes. Named after Lael Wilcox’ favorite road in Alaska, this tire perfect for Hatcher Pass: The front side of the climb is paved and leads to Independence Mine (an abandoned gold mine that is now a state park). The back side is dirt. In August and September there are fields full of wild blueberries near the top. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Snoqualmie Pass is tubeless-compatible. SPECIFICATIONS The supple casing of our Rene Herse all-road tires rolls smoothly over surface irregularities. The tread pattern interlocks with the road surface for superior cornering grip, whether your roads are wet or dry. The tread has enough thickness in the center to last many miles, but it's thin and supple on the shoulders where it doesn’t wear. All models feature: - Clincher, folding bead - Tubeless-compatible - Maximum pressure with tubes: 75 psi (5.2 bar) - Maximum recommended pressure – tubeless: 60 psi (4 bar) - Actual width on 21 mm rim (internal): approx. 47 mm - Actual width on 23 mm rim (internal): approx. 48 mm - Extralight casing: +1 mm width - Tubeless: +0.5 mm width - Recommended rim: 17 - 35 mm (inner width; hookless: +1 mm) Standard casing - Supple casing - Tan sidewalls - 375 g Extralight casing - Ultra-light, ultra-supple casing - The ultimate in speed and comfort - Tan sidewalls - 330 g Endurance casing - The same ultra-fine threads as our Extralight casing, but in a denser, stronger weave - Protective belt under sidewalls and tread - Ideal for rough gravel and tough conditions - Dark tan sidewalls - 425 g

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.

The Bon Jon Pass is our Goldilocks tire: at 700C x 35 mm, it fits bikes that have extra clearance around the Stampede Pass (32 mm), but not enough space for a Barlow Pass (38mm). We name our tires after the passes that inspire them: Bon Jon Pass is a remote pass on the Olympic Peninsula. The moderate gradient allows you to let your bike fly, and these tires are perfect for the smooth gravel surface of the pass and for the chip-sealed asphalt that covers the approach. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Bon Jon Pass is tubeless-compatible. The supple casing of our Rene Herse all-road tires rolls smoothly over surface irregularities. The tread pattern interlocks with the road surface for superior cornering grip, whether your roads are wet or dry. The tread has enough thickness in the center to last many miles, but it's thin and supple on the shoulders where it doesn’t wear. All models feature: • Clincher, folding bead • Tubeless-compatible • Maximum pressure with tubes: 90 psi (6.2 bar) • Maximum recommended pressure – tubeless: 60 psi (4 bar) • Actual width on 20 mm rim (internal): approx. 35 mm • Actual width on 23 mm rim (internal): approx. 36 mm • Extralight casing: +0.5 mm width • Tubeless: +0.5 mm width • Recommended rim: 17 - 26 mm (inner width; hookless: +1 mm) Standard casing • Supple casing • Tan sidewalls • 355 g Extralight casing • Ultra-light, ultra-supple casing • Black or tan sidewalls • 303 g Endurance casing • The same ultra-fine threads as our Extralight casing, but in a denser, stronger weave • Protective belt under sidewalls and tread • Ideal for rough gravel and tough conditions • Dark tan sidewalls • 355 g

The Barlow Pass is the sweet spot for most all-road bikes. We name our tires after the passes in the Cascade Mountains that inspire them: Barlow Pass is near the ghost town of Monte Cristo in the northern Cascades. Our Barlow Pass is the perfect tire for rides that combine equal portions of pavement and gravel: light enough so your bike retains the nimble feel of a road bike, yet 38 mm wide to give you amazing traction on pavement and off. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Barlow Pass is tubeless-compatible. The supple casing of our Rene Herse all-road tires rolls smoothly over surface irregularities. The tread pattern interlocks with the road surface for superior cornering grip, whether your roads are wet or dry. The tread has enough thickness in the center to last many miles, but it's thin and supple on the shoulders where it doesn’t wear. All models feature: - Clincher, folding bead - Tubeless-compatible - Maximum pressure with tubes: 75 psi (5.2 bar) - Maximum recommended pressure – tubeless: 60 psi (4 bar) - Actual width on 20 mm rim (internal): approx. 38 mm - Actual width on 23 mm rim (internal): approx. 39 mm - Extralight casing: +0.5 mm width - Tubeless: +0.5 mm width - Recommended rim: 17 - 29 mm (inner width; hookless: +1 mm) - Made in Japan Standard casing - Supple casing - Tan sidewalls - 385 g Extralight casing - Ultra-light, ultra-supple casing - Black or tan sidewalls - 350 g Endurance casing - The same ultra-fine threads as our Extralight casing, but in a denser, stronger weave - Protective belt under sidewalls and tread - Ideal for rough gravel and tough conditions - Dark tan sidewalls - 385 g

All-road tires don’t get any better than this! We name our tires after the passes in the Cascade Mountains that inspire them: Snoqualmie Pass was the route of the Olympian Hiawatha express train to Seattle. Today, a trail heads up the pass, with spectacular views as you traverse the old railroad trestles. You’ll enjoy the speed and grip of the supple casing on the paved sections of the climb, and the large air volume will have you float over the rough gravel rather than grind through it. The Standard casing is our more affordable option: comfortable and fast, yet also strong to withstand considerable abuse. The Extralight casing takes the performance, comfort and feel of your bike to an entirely new level. The Endurance casing is reinforced for extra sidewall protection and puncture resistance, while retaining the speed and comfort for which Rene Herse tires are famous. The Endurance Plus casing provides the ultimate in sidewall protection for extremely tough conditions. The Snoqualmie Pass is tubeless-compatible. SPECIFICATIONS The supple casing of our Rene Herse all-road tires rolls smoothly over surface irregularities. The tread pattern interlocks with the road surface for superior cornering grip, whether your roads are wet or dry. The tread has enough thickness in the center to last many miles, but it's thin and supple on the shoulders where it doesn’t wear. All models feature: - Clincher, folding bead - Tubeless-compatible - Maximum pressure with tubes: 75 psi (5.2 bar) - Maximum recommended pressure – tubeless: 60 psi (4 bar) - Actual width on 20 mm rim (internal): approx. 42 mm - Actual width on 23 mm rim (internal): approx. 43 mm - Extralight casing: +1 mm width - Tubeless: +0.5 mm width - Recommended rim: 17 - 32 mm (inner width; hookless: +1 mm) Standard casing - Supple casing - Tan sidewalls - 375 g Extralight casing - Ultra-light, ultra-supple casing - The ultimate in speed and comfort - Black or tan sidewalls - 330 g Endurance casing - The same ultra-fine threads as our Extralight casing, but in a denser, stronger weave - Protective belt under sidewalls and tread - Ideal for rough gravel and tough conditions - Dark tan sidewalls - 425 g Endurance Plus casing - Extra-tough casing with ultra-strong threads - Protective belt under sidewalls and tread - The ultimate in sidewall protection - Dark tan sidewalls - 445 g

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, 300TPI SuperPoly 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. 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 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.