Continuously Variable Transmission (CVT) with 20 tooth 8 mm 05T chain drive sprocket.

This belt drive CVT fits most 43cc, 47cc, and 49cc X1 & X2 type pocket bikes, as well as many dirt bikes and go karts.

Transmission cover is included.

Gear ratio is approximately 7:1 with a clutch drum inner diameter of 77 mm. Accepts standard clutch pad assemblies with outer diameter of 3" (76 mm).

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