Matching the Polini Hi-Speed Evolution 2 variator with 12.5° pitch angle (241.748), there is now the Polini Ceramic Air Speed Evolution 12.5° V-belt pulley.
The pulley is manufactured from a single block of material, light alloy coated and treated with ceramic. The large fan wheel lowers the temperature and reduces wear.
100% Made in Italy! Only suitable for 16mm crankshaft end.
