Torque Drive Pulley Polini 128mm Yamaha BW’s \/ Aerox

Polini Torque Drive Pulley 128mm Yamaha BW’s \/ Aerox, aluminium torque drive by renowned Italian manufacturer Polini is a real lightweight. Diameter is larger than original.

improved and consistent transmission of engine powerreduced heat build-upIn terms of performance this HQ torque drive increases engine response, and acceleration throughout the entire rpm range is noticeably improved. There are 2 guide slot angles, 36° and 38° (the 38° is marked with a •).

Note: You have to mill the crankcase and use an oversize drive belt.