Polini Maxi Hi-Speed Variator Kit for 125cc – 150cc GY6B Chinese Honda Cloned ScootersINCLUDES: VariatorVariator Back PlateVariator PinRoller Weights (20mm X 15mm)COMPATIBILITY: Beta – Eikon 125/150BMS – Zen King (Kerrigan T-150) 150Flyscooter – Cadenza 150Kymco – Bet & Win 125/150, Dink 125/150, Dink 200, Grand Dink 150Lance – Phoenix 150 Malaguti – F18 Warrior 125/150 The Polini speed control variator kit is a great buy when upgrading your scooter by buying weights to go along with the kit and kelvar belt to complete the upgrade.The kit brings everything you see here including the pin, race fan, variator, weights, cover and slide pieces.This variator kit will work on most Chinese Honda cloned 150cc GY6 engines including the Taiwanese version of the GY6such as the Kymco, SYM, and PGO / Genuine.***NOTE: This will not work on your typical 18mm x 14mm 150cc GY6 set-up. This Polini variator kit will work on some 150ccGY6 models that use the 20mm x 15mm roller weights.**