Dr. Pulley 20x12 Sliding Roller Weights: Yamaha, Kymco upgear Universal fit — works with

Universal fit — works with any scooter

50 Special

Category Recommended Applications Scooters Vespa

resists yellowing

Dr. Pulley 20x12 Sliding Roller Weights: Yamaha, Kymco upgear Universal fit — works withUnlock the full gear range your CVT was designed for. Dr. Pulley 20x12mm Sliding Weights replace the flat spotting round rollers in your variator with a patented non round geometry that lets the variator retract further for a lower starting ratio and extend further for a higher top speed ratio delivering faster launches and lower cruising RPMs without touching your belt or variator. Choose your gram weight to dial in exactly the performance character