



POLINI Crankshaft (manufacturer ref. 210.0057) — designed for urban displacements, this crankshaft incorporates solutions used in competition to provide robustness and durability in daily traffic. Ideal for those looking to enhance or energize a scooter engine without compromising assembly safety.
Designed by POLINI for demanding users, this crankshaft is particularly aimed at owners of Vespa PK (models PK XL, PK S, and PK S Electric Starter) and other similar urban scooters. Professional installation is recommended to ensure proper engine balancing and timing.