B1 Wide Chain1/2" X 1/8"Pin Length: 9.2 mm112 LinksColour: Black/SilverBushed ConstructionSingle speed, internal gear, BMX, Track and Fixed gearRust Buster1/2" X 1/8"Pin Length: 9.2 mm112 LinksColour: Matt SilverBushed ConstructionAnti Rust "Rust Buster" coatedSingle speed, internal gear, BMX, Track and Fixed gear
