The new swinging arm POLINI scooter, was tested in track races by the POLINI Team. It is a product of the highest quality that stands out for being obtained from the anodized Anticorodal aluminum tank. Specific for the fork POLINI can also be adapted on original forks for PIAGGIO Zip and Vespa ET2, ET4. The assembly is simple and designed to accommodate shock absorbers of different diameters. Technical characteristics: Obtained from the anodized Anticorodal aluminum tank with processing on 5-axis CNC cutter, concentricity and interseths of the highest precision. 4 ball bearings pre-mounted in the swinging arm to ensure constant rolling and dynamic load duly oversized Fornes for fixing steel fork AISI303 that ensure a right degree of anti-spraying Plastic bumpers on both biscuit and wheel rod The for bearing fork simplifies the assembly work compared to the original door with roller cages External shape designed to accommodate shock absorbers of different diameterS Spacers between the bearings duly unloaded to facilitate the possible disassembly of the same The wheel rod can be easily mounted without equipment