NCY Secondary Sliding Sheave Assembly; Dio. Elite. SYM DD

This NCY adjustable secondary sliding sheave has two sets of ramp angles. one steeper than the other. These allow you to adjust how quickly the pulley engages. A quicker engagement means more power off the line. and more gradual engagement gives you more power at speed. fits Honda Dio & Elite as well as SYM DD.This NCY adjustable secondary sliding sheave has two sets of ramp angles. one steeper than the other. These allow you to adjust how quickly the pulley engages. A quicker engagement means more power off the line. and more gradual engagement gives you more power at speed. Fits Honda Dio & Elite as well as SYM DD.