Primary Kit 23-65 (7 Springs)

From the famous FOUR DRIVE for Vespa PX first series comes a new generation of specific gears for Vespa. Shaved straight tooth transmission gears with calculated ratio for tuned engines. Made of case-hardened, ground and hardened steel, they are extremely resistant and silent. Applications: Vespa T5 125, Vespa PE 200, Vespa PX 200, Vespa RALLY 200 DUCATI.