Challenge Gravel Grinder 650B x 46 - Tubeless Ready Gravel Tyre Sledges Dual locking system that securely

Dual locking system that securely locks the bike to rack and rack to car

where the inner structure is protected from strong impacts

Adaptation to different axle standards or modification of the engagement angle is also possible in a few manual steps

SBWT® (Strength Boost Welding Technology): Two small inserts are pressed into both ends of the rim to stabalize the profile while it is welded

Challenge Gravel Grinder 650B x 46 - Tubeless Ready Gravel Tyre Sledges Dual locking system that securelyChallenge 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.