Continuously Variable Transmission (CVT) with 20 tooth 8 mm 05T (T8F) 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.
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).
This part fits 49cc X2 Ninja Pocket Bike. Please Check the gear oil before you install the CVT on your bike.