Avid BB5 MTB Disc Brake IS Disc Brakes

Tri-Align Caliper Positioning System Another original Avid technology making your life better”there™s never been an easier brake to install and adjust. With Avid™s Tri-AlignCaliper Positioning System, aligning the caliper to the rotor literally takes seconds. Just loosen the CPS bolts a little, and then squeeze the brake lever while re-tightening the bolts. Perfect caliper alignment”just like that.