Challenge Gravel Grinder 650B x 46 - Tubeless Ready Gravel Tyre Gilets & Bodywarmers Backsweep: 8°

Backsweep: 8°

The RISE 60 wheel was designed with the performance XC and marathon rider in mind

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

Chromoly chainring bolts

increase axle sizes and move suspension pivots

Challenge Gravel Grinder 650B x 46 - Tubeless Ready Gravel Tyre Gilets & Bodywarmers Backsweep: 8°Challenge 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.