Andrews 290294 Belt Drive Transmission Pulley - 29T (Better Acceleration)

Precision-machined from gear quality steel and heat-treated for smooth operation and durability. Power ratio increase RPMs 3% for faster acceleration Precision-machined from gear quality steel and heat-treated for smooth operation and durability. Power ratio increase RPMs 3% for faster acceleration May require some elongation of axle hole in swingarm or change in belt length to allow for proper belt adjustment.