Dr. Pulley 19x17 Sliding Roller Weights 38.8mm Installing a fresh belt onto

Installing a fresh belt onto glazed or dirty pulleys causes premature slippage and rapid wear

Alternate SKUs: J36230016500

1963–83) Vespa 50 Special (V5B

Pro Tip: While you're in there

Compatibility: Models noted below

Dr. Pulley 19x17 Sliding Roller Weights 38.8mm Installing a fresh belt ontoDr. Pulley 19x17 Sliding Roller Weights for Aprilia Atlantic Eu3, Aprilia Mojito, Aprilia Scarabeo Light, Aprilia Sport City, Italjet Dragster, Piaggio Vespa and many more. Please select weight from drop down menu. Traditionally, gear ratio is changed by the up and down rolling movement of the roller weights in the ramp of the Moveable Drive Pulley (MDF). Now the innovative Dr. Pulley Sliding Roller Weights slide up and down the ramp to change the