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Stage6 HPC race crank Zuma Vertical Minarelli

Stage6 HPC Zuma vertical, HPC (High Primary Compression) crankshaft for 10mm, or 12mm

HQ full-circle crankshaft for higher primary compression in the crankcase. It is entirely made of hardened steel, with reinforced connecting rod. Stage6 opted for a full-circle design instead of the standard design; this way the crankshaft has greater rotational inertia at high rpm. Excellent balancing (45%) reduces vibrations that stress materials and may lead to engine failure.

Details:

  • excellent balancing
  • full-circle
  • reinforced connecting rod