Dr. Pulley 20x15 Sliding Roller Weights Options:9G Chrome End Cap: Polished chrome

Chrome End Cap: Polished chrome muffler tip for a clean

Self-centering action minimizes brake pad taper wear

There are multiple versions of this cover

Engine Side (ID): 34mm Outer Diameter

They allow you to upgrade your 7/8 perch to 1-1/8 taper bars

Dr. Pulley 20x15 Sliding Roller Weights Options:9G Chrome End Cap: Polished chromeDr. Pulley 20x15 Sliding Roller Weights for Aprilia Scarabeo 4T, Honda SH 125, Honda SH 150, Honda PCX, Genuine Blur 220i, 150cc GY6B 4 stroke ZNEN engines and many more. Select weight sizes now available in Black Pearl material: 12g. 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