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.
These roller weights fit many 50cc scooters including the Honda Ruckus, Honda Elite LX SR (SA50), Honda Metropolitan (CHF50), and the Yamaha Zuma.
Available Weights: 5.0g, 5.5g, 6.0g, 6.5g, 7.0g, 7.5g, 8.0g, 8.5g, 9.0g, 9.5g