Heavy Duty Gear Reduction Box and Racking Clutch Set for 43/47/49cc Pocket Mini Bike / Scooter / ATV. This gear box with twin-chain design for bigger torque transmission than standard reduction box with single chains.

Please confirm size of your original part. This is 91mm, not 116mm. We marked the size in the last picture.

The reduction box comes with 11,13,14,17,20 teeth total 5 pcs of sprockets.The sprocket is compatible for T8F chains.The transmission kit should fit most 47cc/49cc 2-stroke pocket Bikes.

Reduction Ratio: 3 to 1 chain reducer
Condition: Brand New
Material: Made of aluminum alloy
Color: Black

Package Includes:
Gear Reduction Box x 1
T8F 11T Sprocket x 1
T8F 13T Sprocket x 1
T8F 14T Sprocket x 1
T8F 17T Sprocket x 1
T8F 20T Sprocket x 1
Mounting Bolts Kit x 1

About Parts Quality and After-sale Services:
Please contact with us if there's any quality or other problem.