This Shimano Deore M615 I-spec-B compatible Brake Assembly comes with a fully bled lever & calliper but without adapters or rotors, giving you the freedom to customise your bike to suite. They can be used with the revolutionary Centre-Lock rotor system which fits easily to Centre-Lock compatible hubs or alternatively conventional 6-bolt rotors can be used all in a choice of 160 mm, 180 mm & 203 mm. The two piece calliper design is both ridged & durable with opposed 2-piston design reduces leading effect & optimal pad wear increases braking control while. The ergonomic alloy brake lever features reach adjustment for perfect custom fit, optimum comfort & performance. The Deore M615 Brakes are compatible with I-Spec-B gear shifters so you can get the perfect cockpit position.