Brake piston reset pliers for bicycle disc brakes For pressing back brake pistons on hydraulic disc brakes with two pistons with an opening up to 20 mm without removing the wheel. Prevents seizing or damage to the brake pistons, especially ceramic brake pistons. NOTE: Open the expansion reservoir before pushing back the pistons. Only push the pistons back until they are flush with the brake pad holder. When installing the wheel, make sure that the brake disc is between the plates. Properties angled Main color silver Clamping range up to 15 mm Clamping range of 4 mm Secondary color black Application mounting / dismantling Type / type Article Version special pliers