32 teeth, 1-speed, without bottom bracket, black 11-/12-speed compatible, aluminum crank arms, direct mount steel chainring, chainline: Standard 49 mm, Boost 52 mm, Q-factor 168 mm, for PowerSpline a bottom bracket with 118 mm axle length is recommended Number of chainrings 1 Type Item Main color black Large chainring 32 T. Crank length 175.00 mm System compatibility 11-speed, 12-speed Bottom bracket Powerspline Variation Groupset