HZBHD Racing CVT Variator Roller Weights Set For Aprilia Derbi Gilera For Peugeot For Piaggio For Vespa 50cc Scooter 19x15.5mm Timing Belt(19x15.5mm 4g)

Drive Belt runs cooler, has less wear and tear due to heat, Spend more time riding and less time wrenching. For Aprilia Derbi Gilera For Peugeot For Piaggio For Vespa 50cc Scooter 19x15.5mm Racing Variator Roller Weights Set Heavier roller weights= A slower take off speed and a higher top speed. Lighter roller weights = A faster take off speed and lower top speed. Drive Belt Double-sided teeth design,improving heat dissipation and flexibility to ensure stable RPM during vehicle speed changes.