700c, 27-Inch & 650c

- 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%.

- 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

1 Tire. 4 Seasons. 365 Days. No tire change necessary. The Marathon GT 365 is the first tire which you will ride safely throughout the year in almost every condition. The new lamella tread and the specially developed "FourSeason" compound provide full grip, no matter what time of the year you ride your bike. Fitted with DualGuard puncture protection technology for maximum safety. - Wire bead

- 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

- This lightweight and fast tire is crafted to pack the key benefits of tubeless technology into a race-day product, emphasizing speed and handling and exceeding the performance of any other Pirelli bicycle tire in this class, TT and lightweight tubulars included, without compromising on puncture protection thanks to the TechWALL casing technology. - After three years of development working with the fastest racers at the World Tour level, Pirelli designed this new tubeless-ready tire with the new SmartEVO compound to provide our Professional riders as well as all cycling enthusiasts, with our best bicycle racing tire to date! - Techwall Road: New TLR casing technology with an added layer of reinforcement to provide superior puncture protection in a lighter structure - 28c width is compatible with hookless rims according to ETRTO 5bar/73psi max pressure limitations. 24c and 26c width are NOT compatible with hookless rims.

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.

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.

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

The Power Gravel features a gravel-specific tread with small knobs that ensure low rolling resistance and excellent grip on mixed terrain. - Bead 2 Bead Protek reinforcement protects the entire carcass of the tire - More mileage thanks to the new X-Miles Compound, which improves tire longevity

A robust, hard-wearing commuting companion, the Dynamic Classic has a timeless gumwall style and the hardy build to last through day-in-day-out use.

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

- Gravel bike tire for aggressive terrain

Schwalbe One Tires are perfect for the all-round road bike. Schwalbe's fastest and most reliable competition tire. Featuring a the new OneStar Triple Compound. - Combines superb grip and high durability - Very good puncture protection thanks to the RaceGuard and Microskin carcass

The All Terrain is always up for adventure. From long-distance touring to light-duty offroading, this tire offers impeccable handling that won't let you down. Usage: Trekking / Comfort Conditions: Dry to Damp / Pavement to Hardpack Compound: DNS Casing: Durable Bead: Wire 26" Comp - Tube Type: 635g 32c Comp - Tube Type: 455g 37c Comp - Tube Type: 540g

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.

- 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

The Expanse TCS folding tire is an ideal choice for fast riding on smooth gravel and mixed-surfaces. It's tubeless-ready, so you can ride lower pressure and not have to worry about pinch flats. - 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.

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.

Limus means mud in Latin, which is exactly what Challenge's Limus Open tire excels in. Its deep, aggressive, and well-spaced knobs cut through muddy ground to grip great. And, you'll be zooming through the corners and off-camber sections, too, thanks to its side knobs, while you'll power up inclines with ease thanks to the tall center knobs. The Limus is built on the same supple 300tpi hand-made casing as their renown tubulars, and there's an anti-puncture strip under the tread and polyester in the sidewalls for excellent durability. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

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.

- Deep grooves evacuate water and dirt efficiently

- Deep grooves evacuate water and dirt efficiently

- From gravel adventuring to drop-bar dirt mashing, the Connector is capable of tackling any terrain. - A versatile tread pattern featuring tightly-spaced center knobs combined with aggressive side knobs is mated to our Tubeless Complete construction. - The result is a fast rolling, highly tractable, all-terrain tire ready for everything from backroads to singletrack.

- P Zero Velo TUB brings the handling and cornering behavior Pirelli is famous for to the finest handmade tubular construction. - It was developed on the fields of World Tour racing and in its debut year it already is a winner of a grand tour. Now available for your own. - Corespun 320tpi w/aramid reinforced casing. - Anti-puncture belt under the tread. - Latex inner tube for better weight, rolling and anti-puncture. - Soft yellow compund for racing usage. - Designed for modern wide tubular rims. - 48 mm RVC valve.

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.

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

The Lithion 2 is an affordable, high performance road tire with with a long wearing tread compound and puncture protection. - Silica compound with slick center and herringbone tread pattern on shoulders for increased cornering grip - Triple layer 60 tpi casing with puncture-resistant crown ply for comfort and durability - Puncture protection belt under tread - Bead to bead puncture protection layer - Tire Type: Clincher - Tire Bead: Folding

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.

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

- Rear tire specially made for indoor trainer - The compound has a much lower internal resistance

- Quality road tire at a good price

The Dynamic Sport is a strong tire with good grip and durability. It will be your everyday companion thanks to its strength and endurance.

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 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 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.

- Robust tire - It will be your everyday companion thanks to its strength and endurance.