Y66Y985_z__z_ SM_h_SP17_h_M5 bottom bracket cable guide, for 4_z_ mm diameter Shimano Spares Black One size 452466719644_z_ Parts 452466719644_z_ Brakes _and_ Shifters Spares _and_ Brake _and_ Shift Levers SP17_h_M5 SMSP18MS 4_z_mm one size SPRE SMSP17 M5