CENL MTB Bike Brake Hydraulic Disc Oil Brakes with Lever Set Pre-Filled with 2 rotor

NOTE :DO not PRESS the the brake when you take off the protective gasket， it may cause your guarantee for this product void. high performance Bicycle Hydraulic Disc Brake Calipers SYSTEM: Open system, Dual piston Easy installation, adjustment and maintenance CALIPER: piece forging aluminum body