Traditionally, the gear ratio in scooter CVTs is changed by the in-and-out rolling movement of the roller weights

With the innovative Dr
Description

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.
WARNING California Residents
: Proposition 65 Warning
Specifications

Size:
21×17
Available Weights:
9.0g, 9.5g, 10.0g, 10.5g, 11.0g, 11.5g, 12.0g, 12.5g, 13.0g