Avid bb7 road disc brakewhen the road calls we answer all the features and performance of the bb7 in a disc brake package that is designed for the demands of the road features tri align caliper positioning system another original avid technology making your life bettertheres never been an easier brake to install and adjust with avids tri aligncaliper positioning system aligning the caliper to the rotor literally takes seconds just loosen the cps bolts a little and then squeeze th