Dr. Pulley 26x13 Sliding Roller Weights GY6 Sport The GY6 Torque Spring Base

The GY6 Torque Spring Base will allow for smoother torque spring action through the use of ball bearings

2-stroke Chinese engines use this clutch shoe

Top End Gasket Set for 49cc or 50cc 4-stroke horizontal cylinder

Please be sure you identify your product version before placing an order for a battery

MXU 150cc and MXU 150cc(RL)

Dr. Pulley 26x13 Sliding Roller Weights GY6 Sport The GY6 Torque Spring BaseDr. Pulley 26x13 Sliding Roller Weights for the Suzuki Burgman 400 and many more. 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