21×17 Inch Sliding Roller Weight Assembly

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 ?Ç£slide?Ç¥ inward and outward in the Movable Drive Pulley (MDF) to change/extend the gear ratio.

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