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

Chromoly chainring bolts

Nalini's Aria Jacket is easily taken on any bike ride

mounting directly to forks and rear seat stays

Material: EC70 Carbon

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.