The NG Rotor Direct Mount powermeter is the powermeter for all Rotor MTB direct mount 1x drivetrains. It is compatible with the modular Rotor Kapic, Kapic Carbon, R-Hawk and R-Raptor MTB cranksets and replaces the Direct Mount chainring. The powermeter works with all common round and oval chainrings with a bold circle diameter (BCD) of 104mm and at least 32-tooth.