Dr. Pulley 15x12 Sliding Roller Weights
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Dr. Pulley 15x12 Sliding Roller Weights

$17.99
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Dr. Pulley 15x12 Sliding Roller Weights for Minarelli 50cc 2-stroke engines. Please select weight from drop-down menu. These weights also fit many scooters from Yamaha including Zuma CW50, Zuma 50F, Vino and C3. Select weight sizes now available in Black Pearl material: 5g. Select Weights on Sale: 8.5g, 9.5g, 10.5g.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 performance. With Dr. Pulley, no abnormal wear will occur even when running in high gear.Dr. Pulley's U.S. Patent Number 7,276,004 states that their sliding roller weights eliminate abnormal wear, prevent reduction gear ratio deterioration, prolong the useful life of the transmission, and have the availability to adjust reduction gear ratios a

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