Dr. Pulley 20x12 Round Roller Weights Options:9G or GY6 bike breathe easier

or GY6 bike breathe easier

and that will allow your transmission to run smoother

For Use With Stock or 177cc Cylinders

Width Between Inner Plates: 6

it features heavy-duty pre-pressed bearings for extended service life and durability — a significant step up from low-cost Chinese alternatives

Dr. Pulley 20x12 Round Roller Weights Options:9G or GY6 bike breathe easierDr. Pulley 20x12 Round Roller Weights for the Linhai 260 300, Yamaha Morphous 250, Yamaha Vino 125, Yamaha Zuma 125 and many more. Select weight sizes now available in Black Pearl material: 10g. Select weights on sale; 6g, and 8g. Please select weight from drop down menu. Dr. Pulley Round Roller Weights have exceptional durability, heat resistance and are low friction and low wear. Size: 20x12 Set of 8 Lasts longer than standard roller weights