Shimano deore m615 disc brake rotor bundledeore fully bled hydraulic disc brake with easily adaptable post style caliperfeaturesfront fully bled lever and caliper comes without adapters or rotors giving you the freedom to customise to suite your bikecan 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 160mm 180mm and 203mmopposed 2 piston design reduces leading eff