Challenge Gravel Grinder 650B x 46 - Tubeless Ready Gravel Tyre Gilets & Bodywarmers Weight: 920g (27

Weight: 920g (27

Chromoly chainring bolts

Backsweep: 8°

Increase rigidity and reliable long term quality with this 11 speed 105 rear derailleur

Material: EC70 Carbon

Challenge Gravel Grinder 650B x 46 - Tubeless Ready Gravel Tyre Gilets & Bodywarmers Weight: 920g (27Challenge 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.