Lambretta - Crank - Crankshaft - GP - Racing - AF RB 250
Lambretta Race Crank - GP - Italian Made for AF Rayspeed with strength for the RB250 Kit
IKO 18 Roller
The RB25 as standard uses a 60mm crank with 107mm rod.
The RB22 as standard uses a 58mm crank with a 107mm rod.
The RB20 as standard uses a 58mm crank with 116mm rod.