4G Gearbox Cover for Motorized Bike

• Replacement cover for the tapered shaft 4G transmission. The 4G Peek-a-Boo Cover is designed for use with the 80 tooth freewheel on 4G T-Belt drive transmissions and will not fit any other pulley size.
• Ideal for riders looking for a 4G peek-a-boo or 80t pulley cover replacement for a motorized bike gearbox setup.