Tires/Tubes

- All-around tire for hard pack to loose conditions - Center tread features low, wide knobs spaced widely apart to aid in mud shedding - Shoulder knobs have a tall profile to really dig in to loose soil - Folding bead version features a dual compound tread for improved grip, and EPS puncture protection

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 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

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

- 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

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 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 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.

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.

Tough rides call for tough tires, so if you're hitting the cobbles you better have Challenge's Paris Roubaix Clincher on your wheels. It has a wide profile to take the sting out of rough pavement and dirt roads, and puncture protection under the tread. It's hand made on Challenge's lightweight 300tpi SuperPoly casing with tough polyester in the sidewalls, and a durable tread compound that sticks to the road in the corners. - 285 grams

- Diamond File center tread rolls fast while deep side knobs grip the corners - Tubeless compatible - Superlight Nylon contruction - Use: All Around Gravel - TPI: 120 - Bead Aramid - Casing: Nylon

Challenge's Almanzo is a wide-profile, versatile, multi-surface tire that excels when the road is less than perfect. It's great on dirt and in situations where you just don't know what the next mile will throw at you. The center tread rolls fast, while the shoulder knobs corner great. It's hand made on Challenge's supple and light 260tpi SuperPoly casing with double puncture protection, tough polyester in the sidewalls, and a durable tread compound that sticks to the road in the corners. - 385 grams (700c x 30)

Challenge's Criterium 320 clincher is hand made on their light and supple 320tpi CoreSpun woven-cotton casing with a long-wearing tread compound. The center tread rolls quickly while the side tread sticks to the road for awesome handling. There's also puncture protection under the tread.

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.

Tube 29-inch Schrader Valve

Continental tubes are made of seamless butyl rubber and are individually tested for top quality. 42mm valve: 95 grams 60mm valve: 100 grams

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.

Continental Cross Tubes are made of seamless butyl rubber and are individually tested for top quality. They're also heavier duty than standard tubes and perfect for the rough-and-tumble world that is cyclocross. - 48mm valve: 160 grams - 60mm valve: 165 grams

Continental's Easy Tape Rim Strips are 20mm wide and are made of a tough, elastic and waterproof, non-adhesive nylon. This makes they quick and easy to install. Just stretch them over your rims and let them snap in place! Each box contain a pair of rim strips.

Continental's Easy Tape High Pressure Rim Strips come in sizes to fit 700c and 650c road rims and are made of a tough, elastic and waterproof, non-adhesive nylon. This makes them quick and easy to install. Just stretch them over your rims and let them snap in place! They are also made specifically for when you're running extreme pressures and can handle up to 220 psi. Each box contains a pair of rim strips.