??‍- Best Deal, remember it is SHIMANO, please measure your brake hose routing length first for right choice.Whatever for 26″ 27.5″ 29″er, the completed front & rear set is ready to be installed out of the box. This pair includes shimano RT56 rotors for Front 180mm, Rear 160mm, and 4 bracket(adatper) come (addon value >$15) in the package, to satisfy any IS or PM mount from the old bikes;