This is the Praxis M30 BB for installing a Praxis M30 road crank into a 68mm BB30 or PF30 road frame.
- Praxis M30 crank spindle specific 30mm drive bearing/28mm nondrive bearing
- For use with Zayante Carbon, Zayante Carbon-S, Zayante alloy, Alba, Girder and Cadet cranks
- Made with Enduro bearings and high grade grease
- Praxis M30 BB tool required for installation for versions with external cups, use PX-8980/8981