Gas scooter standard trans w/o sprocket (157-1)

Scooter transmission without sprocket, 6-pinion shaft compatible with standard 6-pinion drive chain sprockets. Fits most 33cc, 36cc, 43cc, 49cc, 50cc, and 52cc Chinese-made gas scooters, pocket bikes, and mini-choppers.

Does not include sprocket. If you have a sprocket from your old transmission, you can re-use.

• Approximate Gear Reduction: 5:1
• Does not include sprocket
• Inner Diameter (clutchbell): 77.5mm