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.
Dr. Pulley sliding roller weights provide the following advantages over traditional "rolling" roller weights:
U.S. patent no. 7276004.
Size: 15x12 Available Weights: 3.0g, 3.5g, 4.0g, 4.5g, 5.0g, 5.5g, 6.0g, 6.5g, 7.0g, 7.5g, 8.0g, 8.5g, 9.0g, 9.5g, 10.0g