we are offering bicycle brake systems. reach adjustment great modulation with ergonomic lever design open systemfluid: dot. 4 pads: sintered disc rotor: dt-160b (130g) standard rotor size: 160mm (front & rear) rotor option size: 180mm weight: f: 444g r: 484g(caliperadapterhosebrake leverrotor included) packing: 25pcsctn0.66cuft produced in: taiwan