gearbox cover Malossi MHR for Piaggio 16mm

Malossi MHR transmission cover for 50cc Piaggio engines. Aluminium-silicon mix especially for motorsport use with highly tuned engines, with press fitted needle bearing that reduces weight by aroand 4%. Note: Can also be used with the Malossi secondary transmission or with the original. Suitable for Piaggio engines with 16mm gear shaft. NOT to be used on VEHICLE WITH ORIGINAL PRIMARY GEARS!