crankshaft Airsal Racing Xtrem 39.3mm 77cc for Piaggio

New Airsal X-Treme Racing crank up there with racing cranks from Malossi MHR-RHQ, Metrakit Pro Race or the Polini Evolution. Great crank for cylinders with extreme loads e.g: Airsal X-Treme 77cc / 70cc, Malossi MHRTeam, Polini Evolution, Hebo Manston Stage6 Racing. Standard bore of 39.3mm on Piaggio engines. High alloyed 18NiCrMo5 steel, hardened using a special process. High compression and silver needle bearings provide excellent running up to 16,000 RPM. Great balanced crank for high end performance engines. Made in Europe.