crankshaft Airsal Xtrem 45mm 88cc for Derbi gear shift engines up to 2005

For the 88cc Big Bore cylinder kit from the Airsal Xtreme series, Airsal offers this 45mm bore crank. 45mm bore means the crankcases need to be altered slightly, otherwise the crank cannot rotate freely. 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. Suitable to Derbi engines EBE050 (kick-start) and EBS050 (E-start). Not suitable to Cagiva Mito, Derbi GPR EBS, Gilera GSM, Zulu. Made in Europe.