Y8LC23_z__z__z_ BR_h_681_z__h_R fixing bolt C, M6 x 39_dot_6 mm Shimano Spares Silver 39_dot_6 mm 4524667872917 Parts 4524667872917 Brakes _and_ Shifters Spares _and_ Brake _and_ Shift Levers 681_z__h_R 39_dot_6mm SPRE BR681_z__h_R fixing bolt C M6x39