Bearing primary shaft in gearbox cover Polini Evolution, 17x40x12mm, Piaggio / Minarelli

Bearing input shaft / clutch shaft transmission Polini Evolution, 17x40x12mm, Piaggio / Minarelli.

Polini Motori stands for scooter and moped tuning at the highest level. The products of the well-known Italian manufacturer of tuning and racing parts for 50cc two-wheelers offer top quality and excellent performance.

Bearings should be renewed when the cage is too worn, the connected component begins to wobble or the bearing simply no longer runs smoothly.