Stan's Grail CB7 Rim Designed for disc brakes and tubeless tires the Grail CB7's patented low-profile rims increase strength while reducing weight. Taking full advantage of today's larger volume lower pressure tubeless tires the rim shape and carbon lay-up of the Grail CB7 allow for outstanding lateral stiffness while offering the softest riding feel of any rim. Less shoulder and arm fatigue and decreased rolling resistance mean more speed and longer distances. Whether you're on pavement gravel or the cyclocross course the Grail CB7 is smooth and fast. Features300g rim design optimized for tubeless tires and disc brakes Ri ACT rim shape and carbon lay-up absorbs vibrations to give you the best ride possible Patented BST tubeless rim inflates more easily and offers a more secure tire fit Optimized for lower pressure 25-40mm disc road gravel and cyclocross tires | Stan's No Tubes | Stan's Grail Cb7 Rim 700 Disc Gray 24H