





NOTE: Please choose the weight of the roller weights you'd like to order from the "Weight" drop-down box. |
Traditionally, the gear ratio in scooter CVTs is changed by the in-and-out rolling movement of the roller weights. With the innovative Dr. Pulley sliding roller weights, the roller weights “slide” inward and outward in the Movable Drive Pulley (MDF) to change/extend the gear ratio. Size: 28x20 Available Weights: 20g, 21g, 22g, 23g, 26g. ![]() |
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