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 TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant. TLR - TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube. - 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.

The Chicane is a super fast rolling tire providing maximum control on dry hardpack, wet grass, and icy conditions. This TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant. TLR - TLR tires versions can be ridden tubeless with the addition of sealant but can also be run with an inner tube. - 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.

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 Ganzo, a lightweight and supple Puncture Protection System placed between the 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 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. This tire includes PPS Ganzo, a lightweight and supple Puncture Protection System placed between the tread and casing to increase resistance to punctures. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

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. 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. This tire combines a supple, yet durable Corazza Armor casing for improved sidewall protection, excellent puncture-resistance from our PPS Ganzo, and a high mileage, grippy, natural SMARTplus compound. And puncture protection is enhanced when combined with the appropriate tubeless sealant. 260TPI SuperPoly casing.

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.

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.

When speed is a top priority and the road is unpredictable, the Strada USH stands out as a light and fast tire that can handle it all. Combining a fast rolling center track with a scaled up herringbone tread your let it fly on straightaways and corner with conviction. This long lasting and hard wearing tire has you covered from commuting to big adventure days in the saddle. The USH is named for the airport code of Ushuaia on the island of Tierra del Fuego, Argentina. Ushuaia is the southernmost city in the world, and the ultimate destination for adventure bike touring. Size: - 700 x 40 mm Weight: - 472 grams Part #: - D10032 Product Features: - Fast, durable and smooth rolling center tread. - Exaggerated chevron pattern on sides for excellent cornering traction. - Integrated puncture protection belt under the tread. - This tire requires a tube. Tubes sold separately.

The CDG is the airport code for the famed Paris airport, Charles De Gaulle and pays homage to the brutal cobbled roads used for Spring Classics like the Paris-Roubaix. This incredible road tire features a center section of tightly packed mini nubs that offer traction when you need it without sacrificing speed. The tread transitions to more aggressive, larger nubs towards the outside so you can lean into the corners with the utmost confidence. Even during a rainy day in Belgium. Size: - 700 x 30 mm Weight: - 420 grams Tire Type: - Tubeless Ready Part #: - D20089 Product Features: - Unique center-tread pattern provides excellent grip in wet or dry conditions. - Side nubs offer excellent traction while cornering. - Integrated puncture-protection belt. - Lightweight construction. - Tubeless Ready. Can be used tubeless or with an inner tube.

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

- A classic road tire featuring the traditional chevron tread pattern - The LGG provides a supple ride, durable yet lightweight construction, and puncture-protection belt under the tread - 120 TPI version is dual compound tread: 70a in center, softer 60a on sides. 60 TPI is single compound tread 70a

- An adventure tire designed for mixed conditions - Smooth-rolling center knobs and aggressive shoulder lugs - The combination of smooth-rolling center knobs and aggressive shoulder lugs provide great traction and durability for gravel roads, trails, cyclocross, urban assault and even pavement - The MSO will fit on your cyclocross or gravel bike, commuter, or touring rig - MSO is the airport code for Missoula, Montana, home of the Adventure Cycling Association and the inspiration for countless cycling journeys - Designed to bridge the gap between pavement and blazing your own trail

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.

Over 10 years of aero product development with a focus on real-world performance has led us to tire development. Tire shape and construction greatly influence aerodynamics, rolling efficiency, and your confidence. SES Road Tires are proven in CFD and the wind tunnel to reduce drag and are constructed to deliver rolling efficiency, durability, and a confidence inspiring ride—regardless of the weather. - Application: Road, Road Race, Triathlon, Time-Trial, All-Road - Smart ENVE System Aero Optimized Shape and Tread Design - Natural and Synthetic Rubber Compound w/Activated Silica for All-Weather Performance - Tubeless Ready and Inner-Tube Compatible - Hookless and Hooked-Bead Rim Type Compatible - Inner-Rim Width Compatibility: 25c (17-21mm); 27c, 29c, 31c (17-25mm) - Weight: 25c (255g), 27c (265g), 29c (275g), 31c (285g) - Vectran Protection Barrier

- Fast-rolling tread - Wire-bead

The Black Wall in K34 Tread is a great tire for any road bike. As avid everyday riders, Kenda knows what goes into a great commuter tire. Fast rolling, long life, and superb puncture protection are just a few of the reasons people prefer Kenda. Whether you're riding to the store or out for a weekend, Kenda will help you get safely where you're going. - K34 tread pattern - Made from quality Kenda rubber - ETRTO: 32-630 - Wire Bead

- Smooth tread offers minimal resistance - File tread on shoulders ensures cornering confidence

The Kenda Kwick Hybrid Tire features an aggressive semi-slick design with an all purpose tread pattern and a 60 tpi casing. - Aggressive semi-slick design - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tire

Kenda Street K35 Tire - 27 x 1-1/4 Clincher Wire Black/Tan 22tpi

Kenda Street K40 Tire - 27 x 1 3/8 Clincher Wire Black/Tan

The Kenda Komfort is a strong, durable, lightweight hybrid tire that is designed for smooth trails, bike paths, and street use.

Kenda Koncept is a strong, durable, lightweight tire with an excellent value for recreational riders. A file type tread pattern provides low rolling resistance and tight cornering in all road conditions. - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tire

The Kenda Kourier is larger than a skinny road tire, yet thinner and smoother than a mountain tire, making it a perfect hybrid commuting tire. - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tire

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 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 Kenda Kross Plus features a smooth center section with aggressive side knobs that provides off-road cornering traction and lower rolling resistance, making it great for commuting or riding the local trails. - Semi-slick design - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tires

The Kenda Kwest Hybrid Tire is a road tire designed with a smooth rounded tread with large water dispersion grooves. - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tire

- Smooth-rolling tread pattern for street use - Deep grooves help sipe water away in wet weather

Kenda Piedmont tires feature a multiple use pattern design allows riders ultimate grip in various conditions. - Durable and fast tire ideal for gravel and pavement riding - Stylish tread looks good and offers great traction

- 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

Kenda Karvs Tire - Clincher Folding Black 60tpi

The Kenda Kross Supreme is an excellent cyclocross tire for training, winter riding, or as an all around tire. - Kenda endorses the use of fluid based sealants only in specifically designated Kenda sealant compatible tire

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 Booster tire has been proven on the World Cup circuit and is now taking the same grip and versatility to gravel grinding and cyclocross. The Booster Pro features the same progressive tread pattern and performance rubber compound as its larger MTB brother. It's wrapped with Kenda's GCT flat protection for tread and sidewall coverage while also optimizing the tire for tubeless use, resulting in one of the fastest and lightest aggressive-conditions gravel/cross tires on the market. No longer do you need to choose between a tire that is either fast and light or provides great traction: the new Booster Pro combines the best of all worlds. - New tread design—Modern and aggressive look, optimized for fast rolling and best-in-class cornering traction - New race compound—The Booster utilizes a newly developed race compound that is fast and grippy, especially on dry, loose over hard, and rough and rocky terrain - Offered in a gravel-specific GCT casing that includes tread and sidewall puncture & slash protection - Tubeless ready

Born in the hills of Kansas, the Flintridge takes its name from the local sharp jagged rocks. A smooth centerline tread pattern that is equally at home on pavement and hard pack. The Flintridge shifts from the fast rolling center to the grippy transition and shoulder knobs for control in loose rock and even mud. The KSCT casing does double duty, reinforcing the sidewalls of the tire with a woven shield to prevent slashes and abrasions while optimizing the casing for fast and easy tubeless conversion. - DTC Dual Tread Compound: Kenda's L3R PRO compound (60 shore A durometer) in the center and the cornering knobs have STICK-E compound (50 shore A durometer) - The benefits are increased center tread life plus cornering control and grip - KSCT casing for tubeless conversion and sidewall reinforcement

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.

- Perfect for commuting and training

- Makes the perfect economical trekking tire - The Excel has a reflective stripe on the sidewall, keeping you visible at night for city riding - If getting a reliable, high-performance trekking tire at an economical price is what you're after, the Overdrive Excel is the tire for you.

High-volume, E-bike rated - Aramid breaker - Grooved slick design The Roamer is ready for anything from your daily commute, a trip to the store, or a long weekend of touring the back roads. The slick center rolls fast, and the leaf-like tread on the shoulders provides a little extra cornering traction. To ensure lots of trouble-free miles, the Roamer uses a high-mileage rubber compound along with a 60-TPI casing and an aramid breaker.

The Pursuer is great for logging trouble-free training miles and casual group rides. - Low rolling resistance, high mileage tread compound - Sport-level clincher tire The Pursuer is the newest road clincher in the Maxxis line. Taking what we learned from the development of the HYPR Compound for our flagship High Road tire, the Pursuer uses an all-new full-silica rubber compound. This new compound decreases rolling resistance while improving tread wear and cornering performance. For logging trouble-free training miles and casual group rides, choose the Pursuer.

Our most durable road offering - Diamond knurled slick design - MaxxShield for maximum puncture resistance - Training tire Our most popular training tire, providing excellent traction, durability, and plenty of road miles in any condition. Maxx Shield helps provide a tire that Re-Fuses to puncture.

Gravel and dirt road racing tire - Dual-Compound for longevity - Gravel-specific tread pattern - Tubeless Ready (TR) Maxxis' first gravel-specific tire, the Rambler, is designed with the volume you need for comfort and the tread you need for speed and control. Tightly packed center knobs are ramped for rolling efficiency on hardpack roads, and spaced-out side knobs provide predictable cornering in varied terrain.

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%.

- Gravel bike tire for aggressive terrain

At home on singletrack trails and gravel - Aggressive gravel tire - Optimal for off-road touring and adventures - Tubeless Ready (TR) The Ravager is a gravel tire for the riders out there willing to brave aggressive terrain with only their drop bars and a tiny amount of rubber beneath them. While other tires are designed to let you ride beyond the end of the road, the Ravager opens up new line choices, camping spots, and epic adventures where no road ever existed. Raised, square-edged center knobs provide climbing and braking traction on moon dust-covered trails, and oversized cornering knobs keep you and your gear out of the dirt to conquer another turn.

High-volume Tubeless Ready adventure tire - Diamond-knurled slick design - Dual-compound rubber - MaxxShield bead-to-bead protection - Tubeless Ready (TR) Our most popular training tire, modernized with tubeless technology and higher volumes for even more reliability and comfort. The familiar diamond tread pattern keeps things rolling smoothly, even as the pavement crumbles into gravel and hardpack dirt.

- Semi-slick tire for pavement, hard-packed dirt, and gravel. - Perfect for rides that are mostly smooth, with occasionaly off-road adventures

A champion in all conditions - EXO Protection - Open tread to clear mud - Ramped knobs for speed - Tubeless Ready (TR) 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.

Semi-slick CX racing tire with aggressive cornering knobs - Aggressive cornering knobs - EXO Protection - File tread design optimized for grass and hardpack - Tubeless Ready (TR) The Speed Terrane features a familiar file tread pattern optimized for early season cyclocross races. Micro-diamond knobs adorn the tread surface to offer blazing speed on hardpacked surfaces, while stacked paddle knobs down the middle offer unrivaled climbing and braking traction so you can attack whenever you like. When the course gets twisty, the siped and offset cornering knobs will dig in to give you the support to brake later and push your tires as hard as your legs. Worry less about your tires and more about the holeshot!

Our flagship road race tire - 170 TPI casing - HYPR compound - Pro-level competition tire - K2 puncture protection Maxxis' all-purpose road race tire receives a refresh with a lighter-weight casing, upgraded puncture protection, and a revised tread pattern. The result is a lighter, faster, and more durable High Road.

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

- 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%.

All around touring or commuting tire with ProTite protection, Panaracer's best-ever puncture prevention technology. Its comprehensive size range insures that you can find a Pasela for most any usage. Ride it and trust it. - Urban/Commuter tire

Pasela is Panaracer's standard all around touring or urban commuting tire. Its comprehensive size range ensures that you can find a Pasela for most any usage. Ride it and trust it. - Steel (Wire) bead

- Excellent urban or touring tire - 400D Lite Extra casing cord for a supple and responsive ride - ProTite now provides 25% more puncture resistance over older PT technology - Amber Sidewalls

With its aggressive tread and versatile high-performance GravelKing casing, riders will experience great handling characteristics through a wide range of tire pressure and excellent traction on wet or dry gravel or dirt.

Looking for a tire that's more tread aggressive and wider than the mixte-tread narrower Gravel King? The GravelKing SK might just be the tire you need for the more hardcore roads. Aggressive knobs, ZSG Natural rubber compound, puncture protection breaker and AX-A special low rolling resistance casing make the Gravel King a go-anywhere tire. - Black multi-use gravel tread - Aramid (Kevlar) folding bead

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

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

Gravel road riding is all the rage at the moment. It's great for cyclists who want to leave sealed roads behind and enjoy the freedom of cycling on unpaved roads. Designed to suit diverse touring styles, the GravelKing uses a mixture of properties that also accommodate on-road cycling. Featuring ZSG Natural compound, anti-flat Casing, and Advanced Extra Alpha Cord. - Black multi-use gravel tread - Aramid (Kevlar) folding bead