Steel Single Speed Cog Sprocket 16/18/20T for Fixed Gear Bike Enthusiasts
Suitable for Fixed Gear Bike,single speed flywheel,removable. This freewheel was used on for race bikes with or without deraiuller. Needed to complete that old school bm bike. Gear Teeth: 16/18/20T. 1 x Single Speed Freewheel.