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