Wishbone POLINI x PIAGGIO Zip SP and Vespa

The new POLINI swing arm for scooters has been tested in track races by the POLINI Team. It is a very high quality product that stands out for being machined from solid anodized Anticorodal aluminum. Specific for the POLINI fork, it can also be adapted to original forks for PIAGGIO Zip and Vespa ET2, ET4. The assembly is simple and designed to accommodate shock absorbers of different diameters. Technical features: Machined from solid anodized Anticorodal aluminum with 5-axis CNC milling, concentricity and very high precision center distances. 4 ball bearings pre-mounted in the swing arm to ensure constant rolling and dynamic load duly oversized Pins for fixing the fork in AISI303 steel that ensure the right degree of anti-corrosion Plastic bumpers bumpers on both biscuit and wheel axle The fork axle with bearings simplifies the assembly work compared to the original axle with roller cages External shape designed to accommodate shock absorbers of different diameters Spacers between the bearings duly unloaded to facilitate their disassembly The wheel axle can be easily mounted without tools