Race Face ISIS Evolve DH Bottom Bracket



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Downhill? The folks at Race Face know downhill. Their factory is a short drive from Vancouver’s notorious North Shore. When they built this burly bottom bracket they made it burly with a non-side loading design. They added two bearings on the drive side accommodate higher drive train loads. Go over the edge with confidence.

  • CNC machined, heat treated, hollow M12 chromoly spindle.
  • Shot peened finish for strength.
  • Forged and CNC machined aluminum cups and reinforcing sleeve.
  • 118mm spindle and offset drive side cup for use with chain guides.
  • Single row, double sealed cartridge bearings.
  • High-pressure contact lip seal and low friction labyrinth cup seal keep out contaminants and increase bearing life.
  • Improved, extreme conditions bearing grease.
  • Fixed cup spacer (2.5mm) allows use with either 68 or 73mm shells.