Polini is offering this secondary gearset with a flexible coupling for Piaggio models as part of a special range. The 14/48 ratio gearset can be fitted to all last generation Piaggio scooters, regardless of whether disk or drum brakes are fitted. The centre part of the wheel nut spigot is longer to make mounting the TORSEN WD supplementary swing arm easier. 100% made in Italy. The Polini gearbox cover Evolution Gear Box item number 170.0300 is also required for assembly.