end bearing Polini Evolution 12x17x13mm for Minarelli horizontal AC with Aluminium Racing Evolution cylinder kit

Polini gudgeon pin bearing - dimensions 12x17x13mm (inner diameter x outside diameter x width) for the 50cc (40. 2 mm) Polini Evolution cylinder with 12 mm gudgeon PIN for scooters with Minarelli horizontal engine. Also suitable as standard bearing in all other listed vehicles.