Fine-tune your scooter's CVT performance with Prima 19x17mm roller weights. Swapping roller weight changes how your variator ramps up through the gear ratio � lighter rollers favor acceleration and hill climbing, heavier rollers favor higher top speed on open roads. Sold as a set of 6.
Fits scooters using 19x17mm CVT roller weights, including Vespa LX 150, S 150, ET4 150, and similar 150cc large-frame CVT platforms. Verify roller size before ordering.