This is Praxis M30 BB for installing a Praxis M30 crank into a BB86 Road frame, a BB90 MTB frame or a BB92 MTB frame. Unique design in which the bearing outer race is also the outer press fit surface.
– 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 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 a Praxis frame Gauge to check your frame.
– BB86 Road/BMX = 86.5mm width X 41mm diameter
– BB90 MTB = 89.5mm width X 41mm diameter (*NOT Trek Road BB90)
– BB92 MTB = 92mm width X 41mm diameter
– Weight: 58g