This Aerox Stage6 HPC (high primary compression) crankshaft is a full-circle 10mm crankshaft, and as such increases primary compression in the crankcase. It has been developed in cooperation with F. Koopmans and is completely made of metal (i.e. no plastic padding). The bearings can handle up to 16,000 rpm!
Made in Italy.

10mm or 12mm available. Fits Aerox/ Minarelli engines.Stage6 Part No. S6-8016600

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