Dr. Pulley 18x14 Sliding Roller Weights Frame Parts 6-30 commonly found on 50cc

6-30 commonly found on 50cc full-size scooters

Fiberglass Gas Tank Cover for the Honda Ruckus Brand Scooter

Performance Alternator Kit for 50cc QMB139 4-stroke engines and engine based scooters / vehicles

02=version 2

Front Wheel Assembly for Razor MX350/MX400 Dirt Rocket

Dr. Pulley 18x14 Sliding Roller Weights Frame Parts 6-30 commonly found on 50ccDr. Pulley 18x14 Sliding Roller Weights for 125 150cc 4 stroke GY6 engines. Please select weight from drop down menu. Traditionally, gear ratio is changed by the up and down rolling movement of the roller weights in the ramp of the Moveable Drive Pulley (MDF). Now the innovative Dr. Pulley Sliding Roller Weights slide up and down the ramp to change the gear ratio. This unique sliding movement (not rolling) provides exclusive advantages to increase CVT