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Race Face Bottom Brackets (BB ISIS SRX)

Race Face Bottom Brackets (BB ISIS SRX)

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Category: BIKE


  • CNC machined, heat treated, hollow chromoly M15 spindle.
  • Shot peened finish for fatigue strength.
  • Forged & CNC'd aluminum cups & reinforcing sleeve.
  • Single row, full-ball, sealed cartridge bearings.
  • Low friction labyrinth spindle seal keeps out contaminants & increases bearing life.
  • Newly improved extreme conditions bearing grease.
  • 64 ball bearings in each bottom bracket.
  • Fixed cup spacer (2.5mm) allows BB to be used with either 68 or 73mm shells.
  • Fixed cup on drive side.
  • Proprietary non-side loading design.


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