700c, 27-Inch & 650c

Race it hard or just head off the beaten path. The Strada Bianca wraps Challenge's proven herringbone tread pattern further around a large volume casing and adds a gravel specific construction to take you comfortably over less-than-perfect surfaces. This is your tire for rough roads, packed dirt, and most gravel surfaces. This TLR clincher with 120TPI nylon casing provides both performance, durability, and puncture protection when combined with the appropriate tubeless sealant.

- Built to cover a wide range of conditions. It aims to be the perfect travel buddy for your bikepacking adventures. - Featuring a reinforced and sturdy tubeless-ready 60tpi carcass plus a bead-to-bead protection layer. - Designed to resist lateral cuts on different grounds. - Lighter on the central part and more aggressive on the shoulder, the knobs are off-road oriented to promote rider support from light gravel to extensive trips. - ProCompound Gravel developed for extended mileage. - The combination of tread design together with the compound prioritizes traction and grip on different surfaces, designed to allow the rider to go everywhere.

Low rolling resistance, outstanding grip in wet or dry, Hard-Case Puncture protection, and being tubeless ready make Bontrager's AW2 TLR a great all-weather tire for any condition. • AW tires offer consistent braking and cornering traction in all weather conditions • TLR tire engineered for use with TLR sealant (sold separately) for worry-free setup and puncture protection • Hard-Case Lite: lightweight sub-tread material protects against punctures • Tread gauge optimized for maximum durability • Butyl-lined casing improves air retention for consistent tubeless ready performance

Handmade in Germany, the Top Contact II Reflex is perfect for touring bikes and commuting steeds. Its smooth center rolls fast and the tread pattern on the shoulders maximizes cornering traction. The Top Contact II also utilizes Continental's Vectran technology, a polymer membrane that offers excellent puncture protection and reduces rolling resistance. This tire also sports Continental's Reflex sidewall striping for safety.

- Tread compound optimized for 10% pavement, 90% gravel or dirt road riding - Lightweight casing offers supple rides and rolls over uneven roads with ease - Square and spaced knobs cluster into the ranged trapezoid row in the center keep the tires fast rolling efficiently on all types of surfaces - Connected outer knobs feature a deep profile with chamfered shape for firm support in the mud and dirt without flex - Connected knobs run a spaced row on the side to shed water and mud with ease for total control in all conditions - X-Shield Puncture Protection provides increased sidewall puncture and abrasion resistance

The P ZERO Road offers a slightly thicker tread base for increased puncture protection. - 120tpi casing with Aramid TechBELT puncture protection - EVO compound

Designed for intensive training, it is equally suitable for racing events. The Rubino Pro builds on the standard Rubino platform, utilizing the same exclusive 3C Graphene compound structure, long service life, puncture protection, and sharp handling traits, but substitutes a folding bead material for reduced weight. The Rubino Pro has long been a favorite for both training and racing, and with the addition of Graphene technology compounds, is more versatile than ever! - Graphene rubber compounds

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.

- A trekking tire that can go anywhere you want it to take you - SmartGuard puncture protection layer offers the best puncture resistance of any tire - Endurance compound for super long tread life

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 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.

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.

Continental's Gatorskin combines 3 flat-protection technologies into one fast-riding, high-mileage racing and training tire. It features a super-fine 180 thread-per-inch casing, a bead-to-bead layer of DuraSkin, and is finished with a Kevlar-reinforced top layer. The result is a light tire that rolls and corners with the best of them while providing flat protection second to none. - Weight: 290/310/360/365/390 grams (23c/25c/28c/32c/27 x 1 1/4) - PolyX puncture protection - DuraSkin sidewall protection

Continental's Gatorskin is a super long-wearing and reliable tire that's fast and great handling, too. It features a supple 180-thread-per-inch casing, a bead-to-bead layer of DuraSkin, and a Kevlar-reinforced top layer. The result is a lightweight tire that rolls and corners with the best of them while providing flat protection and durability second to none.

GRAVEL Whether your route covers rough roads or fast gravel, or even both in the same day, Washburn is built for the job. Its center slick provides awesome rolling efficiency on pavement and packed dirt, while the shoulder lugs take over in the turns, digging in for confidence in loose corners. HOW IT WORKS - Center tread is smooth to minimize rolling resistance and maximize speed. - Transition lugs are tightly spaced to provide progressive initial cornering traction. - Side lugs are spaced out to dig in while cornering and when riding over loose surfaces.

• Advanced tread profile and texture gives low rolling resistance with excellent cornering grip • Butyl-lined casing improves air retention for consistent tubeless ready performance • TLR - Tire is engineered for use with Bontrager TLR Sealant as the final step in a worry-free, tubeless setup • Hard-Case Lite - Lightweight sub-tread material protects against punctures

- The Cinturato All Road is your choice when tarmar, hardpack trails or light gravel are on your way. - Reinforced and sturdy tubeless-ready 60tpi carcass plus a bead-to-bead protection layer. - Designed to resist lateral cuts on different grounds. - A slick center line encourages fast and smooth riding on tarmac and pavement. - Progressively higher small paddle-knobs are designed to provide solid traction on light gravel, with more aggressive and solid knobs, derived from our Scorpion range, for cornering confidence and leaning. - ProCompound Gravel developed for extended mileage. - The combination of tread design together with the compound prioritizes traction and grip for quick riding on any surface either in town or countryside.

For your way off-road. For more comfort. For the adventure. Be it the long tour, or the shortcut on your way home. The new gravel Terra series by Continental gets you there. Made to get you over rough and smooth. Choose alter road, choose Terra. Tubeless Ready Developed especially for the mountain bike sector, this additional puncture protection layer which completely encircles both tire beads makes our carcasses robust and impervious against damage and penetration from foreign objects. For maximum effect we combine ProTection with BlackChili Compound. The result: versatile, low weight and an attractive design. In addition, tires made using this technology can also be used as Tubeless Ready. ProTection The ProTection technology gives our tires their perfect mix of fast rolling, grip and puncture protection. Four plies under the tread and three in the sidewalls make this possible. The whole tire attains greater resilience and becomes less vulnerable to damage.

Whether on the road, on gravel or on forest paths – this all-rounder is a perfectly equipped touring tyre. Due to the pronounced centre tread, the tyre has excellent rolling characteristics and brings frequent riders quickly from A to B. The bionically designed and laminated shoulder provides good support and guarantees a safe cornering. Best Continental Racing Bike technology for touring bikers. Whether on the road, on gravel or on forest paths, this all-rounder provides maximum protection against punctures, thanks to Vectran Breaker.

With our PolyX Breaker, we bring our car expertise to the bicycle tire segment: Polyester has been used successfully for years in car tires and been tried and tested many times. The extremely resistant polyester fiber is woven tightly crosswise. In this way, a very high fabric density is reached, which not only makes the Breaker more resistant to foreign objects but is also especially resistant to punctures. The rolling resistance is also not negatively affected by the PolyX Breaker. - The right tire when it comes to tough conditions. - The right choice for a strong performance in the urban field and on tour.

Continental's Gatorskin Folding combines 3 flat-protection technologies into one fast-riding, high-mileage racing and training tire. It features a super-fine 180 thread-per-inch casing, a bead-to-bead layer of DuraSkin, and is finished with a Kevlar-reinforced top layer. The result is a tire with a lightweight folding bead that rolls and corners with the best of them while providing flat protection second to none. - DuraSkin sidewall protection - PolyX puncture protection - Weight: 220/240/320/325 grams (23c/25c/28c/32c)

For finding your way off-road. For more comfort. For the adventure. Be it the long tour or the shortcut on your way home, the Terra gravel series by Continental gets you there over rough and smooth. Choose another road, choose Terra. - A user-optimized tubeless system is specifically designed for road cycling demands. Easy to install and reliable in use. - ProTection technology gives our tires the perfect mix of fast rolling, grip, and puncture protection. Four plies under the tread and three in the sidewalls result in greater resilience and less vulnerability to damage. - A specifically developed tubeless bead seals through its unique shape and provides a stable fit on the rim.

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.

- Compound: ZSG AGILE COMPOUND - Casing: Advanced Extra Alpha Cord

Built on the same concept as our Gravelking and Gravelking SK models, the EXT version incorporates the same technology on top of a specially designed tread tailored to work best in muddy and sloppy conditions. Better puncture resistance while retaining the superb balance of a light riding feel and grip. - Ideal for gravel and dirt, Mud/Loose condition model, better puncture resistance while retaining the superb balance of a light riding feel and grip - Available in Black Tread and Black or Brown Wall Colors - Folding (Aramid) Bead with ProTite Shield Plus Protection - Available in 700 C and a variety of widths - TLC in widths 33mm and larger

GRAVEL Cannonball is a go-to gravel race tire for normal conditions. The tread pattern features a directional, tight-knit center tread that sheds dirt and debris to decrease rolling resistance, and side knobs for effective cornering traction. Cannonball is built for all-around gravel riders and racers. HOW IT WORKS - Center lugs are raised and ramped for rolling efficiency; the diamond-shaped lugs squeeze in for grip as they contact dirt, then back out to shed debris. - Transitions lugs are spaced out and vary in height to boost traction. - L-shaped side lugs dig in for grip while braking through corners, but roll quickly when off the brakes.

Our most dirt-focused Road Plus tire yet, the Byway Road Plus TCS tire delivers supple plus-size traction and smooth riding characteristics farther into the dirt. The Byway Road Plus tire allows riders to find comfort on remote gravel roads without feeling slow on the pavement required to reach them. - Smooth centerline for efficiency with diamond-shaped outer knobs for grip in the dirt - High volume tire enables comfortable ride - Dual Compound rubber means a fast-rolling tire with great corning traction - Designed to meet ETRTO standards, TCS (Tubeless Compatible System) tires feature the best of both worlds: they boast the ride benefits & reliability of a tubeless tire with the minimal weight of a tube-type tire

- Gravel tread design with enhanced traction on loose surfaces - Tubeless Ready design allows for reduced air pressure to enhance comfort and reduced risk of punctures - Tread compound optimized for 30% pavement - 70% gravel or dirt road riding - X-Shield Puncture Protection features exceptionally cut-resistant and abrasion-resistant material added to the sidewalls for better puncture resistance and durability in harshest conditions

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.

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.

Continental's ultra-tough Gator Hardshell combines 3 flat-protection technologies into the ultimate distance and training tire. It features a flat-busting, bead-to-bead layer of DuraSkin and an extra-wide Poly-X Breaker anti-puncture strip. But Conti wasn't done yet. They added material in the tread to improve mileage and lend another level of puncture resistance. Plus, the folding bead keeps the weight low. Weight: 23c: 250 grams 25c: 270 grams 28c: 350 grams 32c: 385 grams