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Praxis M30 Bottom Bracket - BB86 Road/BB90/92 MTB

This is our M30 BB for installing a Praxis M30 crank into a BB86 Road frames, a BB90 MTB frame or BB92 MTB frame.

  • For Praxis M30 spindle based cranks only.  NOT for other 30mm cranks
  • Used only for frames that are  BB86 ROAD  |  BB90 MTB  |  BB92 MTB
  • Unique all in one design in which the bearing outer race is also the outer press fit surface
  • Chromium steel design.
  • Steel Bearings |  30mm Drive bearing /28mm NonDrive bearing
  • BB86 Road/BMX = 86.5mm width X 41mm diameter   
  • BB90 MTB = 89.5mm width X 41mm diameter
  • BB92 MTB = 92mm width X 41mm diameter
  • Praxis' Install Guide