Primary transmission CPI / Keeway 15/50 Stage6.

To extend the transmission ratio, a longer transmission is needed, which results in an increase in final speed. The original cylinders do not have enough power for a longer transmission, which is why we recommend combining this transmission with a more powerful cylinder. Unlike standard transmissions, those developed by Stage6 are already pre-assembled. Remove the stock transmission, install the Stage6 transmission, and you're done. NOTE: Count the teeth on the original transmission, as the number of teeth on the intermediate shaft must be the same as in the product. If you are not sure which is the ideal transmission for your setup, please contact us.