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 clincher with 120TPI nylon casing provides both performance and durability. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures.

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.

The Baby Limus is Challenge's all-around cyclocross tire designed for races with constantly changing conditions. This tire is ready to take on wet sand, sticky mud, or dry, fast, packed courses. This handmade tubular combines a supple, 320TPI sealed corespun cotton casing with natural rubber tread, and a seamless latex inner tube for improved grip at lower pressures, confident cornering, and quick handing. The latex tube is lighter, thinner, and more flexible than a butyl tube, increasing your comfort, lowering your rolling resistance, and helping to prevent flats. The tube also includes a removable core Presta valve. This tire includes PPS, a Puncture Protection System placed between the tread and casing to increase resistance to punctures. Handmade - Handmade tires combine many attributes to create the most comfortable and lowest rolling resistance tires. Sealed Corespun Cotton - To protect our cotton casings, we apply a special waterproof, bead-to-bead coating. This treatment keeps the casing lighter, softer, and more supple, extending the tire's life and brightness. Soft - The S stands for Softer and more Supple. This tire utilizes a softer durometer tread rubber especially valuable on track and cyclocross tires. Latex - Latex tubes are stronger, lighter, super supple, absorb shock, and conform precisely to terrain, reducing rolling resistance. PPS - The Puncture Protection Strip is a special fabric placed between a tire's tread and casing to increase resistance to punctures.

The best all-around cyclocross tire ever created excels in wet or dry, soft packed, rocky and root-infested courses, grass, and more. The Grifo features fast-rolling knobs and a center section that offers excellent pedaling and braking traction. This clincher with 120TPI nylon casing provides both performance and durability.