Praxis – BB M30 – BB86/BB92


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

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  • Used only for frames that are | BB92 MTB
  • Unique design in which the bearing outer race is also the outer press fit surface
  • Chromium steel design of race and balls.
  • Steel Bearings | 30mm Drive bearing /28mm NonDrive bearing
  • Before installing, you must use Praxis frame Gauge to check your frame.
  • BB92 MTB = 92mm width X 41mm diameter
SKU: PR-86-4001B Category: