Small end bearing 12mm Honda, Piaggio, Vespa HD/wide Polini

Replacement small end needle roller bearing Polini brand for 50cc scooters (including 70cc and other performance applications). Note this is wider than stock at 15mm, if using std piston please check that width is OK: Honda:- AF18/AF25 SK50 Dio AF19 SE50 DJ1-RR AF27/AF28 SK50 Dio AF34/AF35 SK50 Dio, AF38 Topic AF20 NH50 Lead AF24, AF31 Tact, Giorno SYM DD50 Vespa:- ET2 50, LX 50 2t, LX V 50 2t Primavera 50, S 50, Sprint 50 (all auto) Piaggio:- all HiPer 2t 50 motors including Zip, Fly, Typhoon Gilera:- all HiPer 2t 50 motors including DNA, Ice, Runner 50 (LC and AC) Aprilia:- all HiPer 2t 50 motors including SR (LC), SR Motard