TRP Brake Disc Trp Mtb Spyke Mech 180 Black - SPYKE-180 Two piston movement evenly contacts rotors for optimum braking power and modulation Best paired with TRP ML800 lever. Sold separately Brake pad composite is Resin with Metal Fibers Ramped ball bearings for smooth pad engagement and improved modulation Integrated snow and mud cover helps protect pads from excess snow and mud