Challenge Gravel Grinder 650B x 46 - Tubeless Ready Gravel Tyre Gilets & Bodywarmers Cross Shield2: Cross Shield 2

Cross Shield2: Cross Shield 2 casing provides extra pinch protection designed to prevent tread and sidewall damage

Backsweep: 8°

increase axle sizes and move suspension pivots

Chromoly chainring bolts

Challenge Gravel Grinder 650B x 46 - Tubeless Ready Gravel Tyre Gilets & Bodywarmers Cross Shield2: Cross Shield 2Challenge Gravel Grinder 650B x 46 Tubeless Ready Gravel Tyre The Challenge Gravel Grinder is built to monster the toughest gravel events on the planet. With a fast rolling but grippy tread and tubeless ready construction, the Gravel Grinder is perfect for all round gravel use. Built around a fast rolling semi slick centre tread design, the Gravel Grinder rolls well on hard surfaces yet has enough purchase when braking or climbing to retain traction.