700c, 27-Inch & 650c

The G-One Speed offers an unleashing profile and is breathtakingly fast—especially when large tire volume is crucial. - G-One Speed is a tire for the real tough jobs - Guaranteed for maximum speed

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

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.

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

The Schwalbe One family provides the right tire for the latest gravel bike trend. The smooth rolling G-One profile and Tubeless Easy technology make it a pleasure to ride over forest paths and rolling fields. - Tubeless-Easy with MicroSkin fabric for gravel riding - OneStar compound helps to achieve an extremely low rolling resistance

GRAVEL Designed with the unknown in mind, the Rutland takes the guess work out of selecting the right tire for the ride. Ramped, tightly spaced center lugs reduce rolling resistance while larger, more spaced-out shoulder and transition lugs provide grip in loose conditions. HOW IT WORKS - Center lugs are large and widely spaced for braking and acceleration grip, and ramped to lower rolling resistance. - Transition lugs are spaced out to shed mud; siping conforms to the road surface for increased traction in corners. - Side lugs are staggered to provide traction in more aggressive turns and on loose surfaces.

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.

- Inspire your confidence with the MICHELIN Power Cup tire for racing and training - Speed and efficiency inspired by MotoGP technology - Light and reliable thanks to the MICHELIN Aramid Shield Technology and 3x120 TPI casing - Efficient handling and stability in both wet and dry conditions thanks to the MICHELIN GUM-X compound

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

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

Schwalbe Pro One Road Tire is a fast, reliable, and light tire. the Pro One remains controllable at all times - on the fastest descents, in extreme cornering, in all conditions. - Minimal rolling resistance - All-around cut resistance and puncture protection - ISO Diameter: 622 / road / 29" - Tire Intended Use: Road - Tire Type: Clincher Tire - Type: Folding - Tire Diameter: 700c - Weight: 215g - Pressure: 6.0-10.0 Bar (85-145 psi) - Maximum load: 70 kg ADDIX Race Compound Offers tenacious grip at high cornering speeds and extensive durability in E-operation. Evolution Line The very best possible. Highest grade materials. Latest technology. V-Guard Extremely lightweight and cut-resistant high-tech fabric. Soupless Carcass Souplesse Carcass Construction Special turn-up construction for an exceptional riding experience in race tires.

The Sprinter GatorSkin inherits the best qualities of the ever-popular original Sprinter, namely the durable tread compound and effective puncture resistance. GatorSkin simply adds confidence-inspiring durability and the sidewall protection of DuraSkin to an already race-proven winner. Pro riders use a similar combination in their tires for Paris-Roubaix and other equipment-destroying classics in the springtime. If you want to get the miles in, but your streets aren't covered with the finest tarmac, this is your tubular.

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

- The Cinturato Velo is designed around reliability in bad road conditions and heavy usage as priority and it still keeps Pirelli DNA thanks to its SmartNET Silica compound and confidence-inspiring handling. - Its patent pending Armour Tech construction combines a bead-to-bead high density layer to an aramid breaker and aramid fibers dispersed into the tread. - The SmartNET Silica compound coupled with Pirelli long experience in tread design, adds the safety and handling in any condition, whether it is wet or dry, Pirelli is already famous for.

- 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

Premium tire for cold seasons Full control on slippery, snowy roads and dank surfaces thanks to its grippy lamellar tread pattern. Riders of this tire benefit from our know-how as a leading manufacturer of winter tires for cars and trucks. - Vectran breaker for lightweight puncture protection with minimal effect on ride quality - ECE-R75-certified: Recommended for e-bikes up to 50km/h.

- Low profile and compact tread spacing for riding quickly and confidently over any kind of hardpack terrain, whether dry or wet - SpeedGRIP Compound formulation for on and off-road rolling efficiency coupled with high tear resistance and high wet grip - High-strength woven Nylon fabric from bead to bead for added cut and puncture protection - Multi-ply 127tpi Nylon casing construction - Tubeless-ready aramid folding bead optimized for wide rims and lower pressure riding

- Medium profile and tread spacing for riding quickly and confidently over a mixed variety of terrains, from hard to soft, whether for dry or wet - SpeedGRIP Compound formulation for on and off-road rolling efficiency coupled with high tear resistance and high wet grip - High-strength woven Nylon fabric from bead to bead for added cut and puncture protection - Multi-ply 127tpi Nylon casing construction - Tubeless-ready aramid folding bead optimized for wide rims and lower pressure riding

- Medium profile and tread spacing for riding quickly and confidently over a mixed variety of terrains, from hard to soft, whether for dry or wet - SpeedGRIP Compound formulation for on and off-road rolling efficiency coupled with high tear resistance and high wet grip - High-strength woven Nylon fabric from bead to bead for added cut and puncture protection - Multi-ply 127tpi Nylon casing construction - Tubeless-ready aramid folding bead optimized for wide rims and lower pressure riding

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.

ALL-ROAD From minimum maintenance to decaying pavement, rolling hills to near vertical climbs, Rampart was made for riders who want the freedom to pick their own path no matter what the road looks like. These tires were designed and inspired by our experiences riding and racing courses with varying conditions. HOW IT WORKS - Center tread is smooth and fast-rolling for straight-line speed; thicker center tread and durable casing lasts longer even on harsh surfaces. - Transition and side lugs consist of 3-2-1 siping for traction on all road surfaces.

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.

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 handmade clincher combines a supple, yet durable Corazza Armor casing for improved sidewall protection, excellent puncture-resistance from our PPS Ganzo + PPS2, and a high mileage, grippy, natural SMARTplus tread compound. 260TPI SuperPoly casing.

Byway is for days of endless hardpack exploration and gravel grinding while also providing noticeable efficiency on any pavement linking it all together. A swiftly smooth centerline is paired to a textured intermediate section that provides a seamless transition onto small outer knobs for unwavering traction in loose dirt and gravel. Prominent outer knobs also extend down the sidewall to provide an additional level of defense from roadside unpleasantries of all shapes and sizes. Byway 34 is an identical replacement to the previously named Exposure 34 tire. We renamed the tire to create a uniform naming structure where all tires are named according to the tread pattern. SG2 PUNCTURE PROTECTION: Most sizes of this tire are available with our all-new SG2 Puncture Protection, which is a lightweight nylon insert that provides bead-to-bead coverage and ensures every area of the tire is defended against slashes and punctures. As events become progressively rougher and cyclists pedal farther, gravel gets tougher. It only makes sense for gravel tires to become tougher as well. Please refer to the charts below to determine which versions are available with SG2. - Nylon fibers have a flat profile, which reduces the amount of rubber needed to fill the gaps between fibers and minimizes weight. - Protected SG2 gravel tires feature a 120tpi casing, which improves suppleness compared to a traditional 60tpi tire. - SG2 was specifically designed to be a puncture protection layer, but it also improves air retention and eliminates seeping at the sidewall. FEATURES: - Smooth centerline for efficiency with diamond-shaped outer knobs for grip in the dirt. - High volume tire enables a comfortable ride. - Dual Compound rubber means a fast-rolling tire with great corning traction.

Elite-level road meets renowned tubeless simplicity in sizes that accommodate exploration while digging deep on lonesome roads. Exposure TCS tires mean big days and few boundaries. - Supple tubeless casing allows for lower pressure and improved traction - High volume road casing enables comfortable ride - Dual Compound Rubber means a fast-rolling tire with great corning traction - Smooth centerline with a diamond file outside edge for increased off-road performance - 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.

Nano 40 is built for speed. A nearly uninterrupted centerline provides swift efficiency on hardpack terrain while staggered outer knobs allow you to stay on the gas while hammering up chunky climbs or hanging on through loose gravel corners. The high-volume 40mm casing allows for lower tire pressures and a smoother ride while still reducing drag and rolling resistance. This makes for an all-out gravel destroyer that still appeases those clamoring for a truly big cyclocross tire. Everybody's irrefutable favorite, 'nough said. SG2 PUNCTURE PROTECTION: This tire is available with our all-new SG2 Puncture Protection, which is a lightweight nylon insert that provides bead-to-bead coverage and ensures every area of the tire is defended against slashes and punctures. As events become progressively rougher and cyclists pedal farther, gravel gets tougher. It only makes sense for gravel tires to become tougher as well. - Nylon fibers have a flat profile, which reduces the amount of rubber needed to fill the gaps between fibers and minimizes weight. - Protected SG2 gravel tires feature a 120tpi casing, which improves suppleness compared to a traditional 60tpi tire. - SG2 was specifically designed to be a puncture protection layer, but it also improves air retention and eliminates seeping at the sidewall. FEATURES: - Minimal rolling resistance due to raised, consistent centerline tread. - Long, staggered knobs provide steadfast traction without cutting down on speed. - TCS Light/Fast Rolling versions of the Nano 40 tire provide ultimate tubeless reliability for gravel or cyclocross racing. - Race and Comp level tires are designed to provide optimal performance at a competitive weight but must be used with inner tubes. Race and Comp level tires are not tubeless compatible.

Speaking for itself, Raddler is the radder version of our famed Riddler tread pattern. It combines the expeditious efficiency of a short-knob centerline with get-rad traction of chunky outer knobs. Let's call it a semi-slick, but one designed to increase confidence while you're pushing the limits of gravel. Raddler is an excellent choice for loose terrain where traction takes priority, but efficiency is never far behind. Lean it over, take the inside line, brake late, and stay pinned with the Raddler. SG2 PUNCTURE PROTECTION: These tires are available with our all-new SG2 Puncture Protection, which is a lightweight nylon insert that provides bead-to-bead coverage and ensures every area of the tire is defended against slashes and punctures. As events become progressively rougher and cyclists pedal farther, gravel gets tougher. It only makes sense for gravel tires to become tougher as well. - Nylon fibers have a flat profile, which reduces the amount of rubber needed to fill the gaps between fibers and minimizes weight. - Protected SG2 gravel tires feature a 120tpi casing, which improves suppleness compared to a traditional 60tpi tire. - SG2 was specifically designed to be a puncture protection layer, but it also improves air retention and eliminates seeping at the sidewall. FEATURES: - Short-knob center tread cuts down on rolling resistance while still providing enough bite for out-of-the-saddle traction. - Center and intermediate knobs on the Raddler are slightly taller than those of the original Riddler, thereby increasing tire lifespan without negatively affecting rolling efficiency. - Tall, toothy outer lugs ensure your favorite gravel descent doesn't unravel in the final corner. - Single-ply 60tpi casing provides dependable protection at a minimal weight. - Available with black or tan sidewalls in 40mm and 44mm widths. - All Raddler tires are TCS tubeless compatible.

Resolute 42 is the ultimate all-weather gravel tire for those who believe there is one perfect tread pattern for all your rides. Truly all-season in nature, we call this our set-it-and-forget-it tire that keeps on keepin' on. SG2 PUNCTURE PROTECTION: These tires are available with our all-new SG2 Puncture Protection, which is a lightweight nylon insert that provides bead-to-bead coverage and ensures every area of the tire is defended against slashes and punctures. As events become progressively rougher and cyclists pedal farther, gravel gets tougher. It only makes sense for gravel tires to become tougher as well. - Nylon fibers have a flat profile, which reduces the amount of rubber needed to fill the gaps between fibers and minimizes weight. - Protected SG2 gravel tires feature a 120tpi casing, which improves suppleness compared to a traditional 60tpi tire. - SG2 was specifically designed to be a puncture protection layer, but it also improves air retention and eliminates seeping at the sidewall. FEATURES: - Widely spaced square knobs deliver consistent traction while shedding muck with ease. - Performs well in all conditions, no need to swap tires based on the weather.

Built for unfaltering speed through a wide range of conditions, the Riddler delivers added gusto for the rider who places equal priority on traction and efficiency. The Riddler 37 keeps your legs on their game for hours on end and provides tenacious grip in the corners. Incredibly versatile, the Riddler 45 expands the horizons of gravel riding and accommodates longer dirt tours with ease. Equally at home on your local CX course or gravel B-roads - what else do you need? SG2 PUNCTURE PROTECTION: These tires are available with our all-new SG2 Puncture Protection, which is a lightweight nylon insert that provides bead-to-bead coverage and ensures every area of the tire is defended against slashes and punctures. As events become progressively rougher and cyclists pedal farther, gravel gets tougher. It only makes sense for gravel tires to become tougher as well. - Nylon fibers have a flat profile, which reduces the amount of rubber needed to fill the gaps between fibers and minimizes weight. - Protected SG2 gravel tires feature a 120tpi casing, which improves suppleness compared to a traditional 60tpi tire. - SG2 was specifically designed to be a puncture protection layer, but it also improves air retention and eliminates seeping at the sidewall. FEATURES: - Aggressive cornering knobs meet a low-profile center tread. - Riddler 37 is an excellent choice for gravel grinding or dry cyclocross courses. - Riddler 45 is excellent for gravel exploration or drop bar bikepacking - Available with black or tan sidewalls.

Among our most versatile drop bar tires, the Venture delivers optimal performance across the widest range of conditions to serve as a truly set-it-and-forget-it gravel tire for riders who demand traction across a wide variety of terrain. Elevated centerline ridges provide consistent working edges that dig in whether hammering up a climb or leaning into a turn. Two rows of outer knobs provide confidence regardless of how hard you're cornering while also providing substantial sidewall protection. Venture is the tire of choice when the destination is unknown but you're sure to encounter a variety of terrain along the way. SG2 PUNCTURE PROTECTION: These tires are available with our all-new SG2 Puncture Protection, which is a lightweight nylon insert that provides bead-to-bead coverage and ensures every area of the tire is defended against slashes and punctures. As events become progressively rougher and cyclists pedal farther, gravel gets tougher. It only makes sense for gravel tires to become tougher as well. - Nylon fibers have a flat profile, which reduces the amount of rubber needed to fill the gaps between fibers and minimizes weight. - Protected SG2 gravel tires feature a 120tpi casing, which improves suppleness compared to a traditional 60tpi tire. - SG2 was specifically designed to be a puncture protection layer, but it also improves air retention and eliminates seeping at the sidewall. FEATURES: - The large, high-volume footprint of each Venture tire allows for more working edges of the tread to always be in contact with the terrain. - Rounded profile with vertical channels to enhance cornering characteristics. - High volume casing enables a comfortable ride. - Dual Compound Rubber means a fast-rolling tire with great corning traction.