Praxis M30 BB for installing a Praxis M30 crank into a BB86 Road frames, a BB90 MTB frame or BB92 MTB frame. Specification 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 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.
Best Price: £38.25 from Merlin Cycles