Polini roller weights in the 16x13mm size are a direct-fit CVT tuning component for the Honda Ruckus 50 (NPS50) and other 50cc scooters using the same variator. Available in 5.6g and 6.9g, these weights let you dial in your powerband � lighter weights favor top-end RPM and acceleration, while heavier weights shift engagement earlier for more low-end pull.
