This is the M30 Bottom Bracket for installing a Praxis M30 Spindle based crank into a BB86 Road frame, a BB90 MTB frame or BB92 MTB frame (see features for compatible BB dimensions)
. For Praxis M30 spindle based cranks only. NOT for other 30mm cranks
. Used only for frames that are BB86 ROAD, BB90 MTB, BB92 MTB (see below)
. 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
. 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