Bitubo 340mm Rear Adjustable Performance Shock - Vespa PX

340mm Rear Adjustable Performance Shock with Reservoir for Vintage Vespa P/PX/PXE, Small Frame (ex. PK), Sprint, Rally, Super, GS160, and SS180 scooters. Shock may require a slightly longer bottom mounting bolt because the bracket on the Bitubo shock is thicker than the stock shock. The YLV series of scooter shocks from Bitubo are a “Special” line of shocks developed specifically for Vespa scooters. The SPECIAL line is the concrete answer to those looking for the best in technique and performance. The calibration developed by Bitubo technicians is aimed at obtaining the best response, in terms of driving precision and performance consistency, to the driving stresses of the most sporty enthusiasts.  Thanks to the millimetric ring nut, for the adjustment of the spring preload, and the adjustment of the compression brake, it is thus possible to further customize the suspension setting, according to your driving needs. Technical features of this shock include a gas pressurized shock absor