





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. Size: 15x12 Available Weights: 4g, 4.5g, 5g, 5.5g, 6g, 6.5g, 7g, 7.5g, 8g, 8.5g, 9g ![]() |
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