Shimano deore m615 brake lvrs post mount calipers set front fully bled lever and calliper comes without adapters or rotors giving you the freedom to customise to suit your bike can be used with the revolutionary centre lock rotor system which fits easily to centre lock compatible hubs alternatively conventional 6 bolt rotors can be used all in a choice of 160 mm 180 mm and 203 mm opposed 2 piston design reduces leading effect and optimal pad wear increases braking control two piec