Lambretta RB25 High Performance Race Crankshaft Mazzucchelli 60mm Stroke 107mm Conrod - AF Rayspeed Dampers Four position adjustable

Four position adjustable

Two alternative switching diagrams supplied

VESPA 50 SS / Super Sprint 50 V5SS1T 2T AC `65-`71

the RMS Shock is also more suitable for chrome plating

20mm axle with old style slotted steering lock recess

Lambretta RB25 High Performance Race Crankshaft Mazzucchelli 60mm Stroke 107mm Conrod - AF Rayspeed Dampers Four position adjustableLambretta RB25 High Performance Race Crankshaft Mazzucchelli 60mm Stroke 107mm Conrod AF Rayspeed Italian Mazzucchelli Made for AF Rayspeed with strength for the RB 250 Kit 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.