Tires/Tubes

The Thumper is a fast-rolling XC tire that handles predictably when things get loose. - Overlapping center knobs reduce rolling resistance - Durable 27 TPI casing

The CST BFT (Big Fat Tire) is a high-volume tire with an aggressive tread to provide outstanding traction on any trail. - Designed for trail and freeride use - Durable 27 TPI casing

The Sensamo Control provides all-season grip for urban riding and commuting. - Deep tread sipes and all-season rubber provide excellent grip - Reflective sidewall for increased low-light visibility - APL 0.7mm puncture protection layer under tread

Before the Pika, gaining traction on gravel roads was a true feat. Now, it’s child’s play. Ramped center knobs roll fast on loose gravel, and U-shaped shoulder knobs dig in on the turns. The Pika is equipped with dual compound tread, EPS protection, and wire bead.

The Caldera is designed as a durable tire that can handle the rigors of high-mileage training or commuting. - Thick crown tread provides longer-lasting wear - Durable 27 TPI casing

- Ideal road bike commuting tire - With a thicker layer of tread rubber, the Caldera provides longer-lasting tread wear than a normal road tire - Bead: non-folding - Weight: 330 grams

- Versatile tread pattern suitable for a broad range of conditions - Medium-height center knobs are ramped to reduce rolling resistance and are staggered to provide a consistent feel across the profile of the tire - Side knobs are fairly aggressive and provide excellent cornering grip - Available with a wire bead or folding bead with EPS puncture protection

CST C1779 Tires. The CST Metropolitan Palm Bay tire features a unique tread that will keep your ride both smooth and stylish. - Perfect for everyday city riding - APL Puncture-resistance features .7mm layer of rubber between tread and casing - Tread pattern designed for reduced rolling resistance with consistent traction - Reflective sidewall for added safety - 22 TPI casing

The Rock Hawk is designed as an all-condition trail tire that has an aggressive tread with widely spaced lugs. - Ramped center knobs reduce rolling resistance - Durable 27 TPI casing

The Rock Hawk is designed as an all-condition trail tire that has an aggressive tread with widely spaced lugs. - Ramped center knobs reduce rolling resistance - Durable 27 TPI casing

The CST Ciudad is an an extremely durable tire that excels at urban riding and commuting. - Grooved slick tread rolls fast while offering consistent grip - 1.5mm layer of Kevlar between tread and casing to resist cuts and tears from road debris

- Excellent commuting tire - Ciudad offers a grooved-slick tread for low rolling resistance - Kevlar Inside puncture protection will keep you commuting even on the roughest roads, while the reflective sidewall provides increased night visibility - Bead: non-folding - Weight: 500 grams

The Patrol is an all-condition XC trail tire that excels on hardpacked to loose conditions. - Medium-height ramped center knobs roll fast and provide climbing traction - Aggressive shoulder lugs deliver secure traction in corners - Durable 27 TPI casing

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

The CULT x Vans tire features Vans' classic waffle pattern. - Grippy in all situations - High-pressure sidewalls

- 2-ply rubber shield fits between tire and tube to prevent flats - Pair

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.

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 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.

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.

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 bicycle tubes are made of seamless butyl rubber and are individually tested for top quality.

Unless you're running tubeless (and even if you are), it's a good idea to keep a spare tube or two around, so you can change a tire quickly and reliably, then get back to riding. Continental's Schrader valve tube has you covered. - 40mm Schrader valve

Single presta tube for a 27.5-inch/650B tire. - 27.5 x 1.75-2.50 - 42mm Presta valve

Continental bicycle tubes are made of seamless butyl rubber and are individually tested for top quality. - 42mm valve length

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.

Continental tubes are made of seamless butyl rubber and are individually tested for top quality.