ESJOT Bicycle Sprocket - 21 Teeth

Bicycle sprocket suitable for 3-, 4-, 5-, 7- and 8-speed hub gears, coaster / rigid hubs, SRAM, Shimano, Sturmey Archer. Features - ESJOT bicycle sprocket Galvanized material thickness 3mm 3mm cranked 6mm total height pitch 1/2 x 3/32 inch Included in delivery: 1 Sprocket Material: Steel