Description

The Polini Speedcontrol variator is a clear upgrade over the original variator, as its design and optimized runways provide a better exchange as well as the transfer of forces. This is experienced especially when used in combination with a more powerful cylinder kit such as. Polini Sport 70ccm. Lev. incl. two sets of 16 X 13 rolls (3.6 + 4.9 grams). NOTE: For models with 13mm crankshaft.