This is our Eng. Threaded/BSA M30 BB for installing a Praxis M30 Spindle based crank into a BSA English threaded frame. 68mm Road / 68/73mm MTB / 83mm DH
30 DAY GUARANTEE : Don’t stress, purchase with confidence.
READ THE FULL SPEC BELOW : If you still have questions, that’s ok! We’re here to help as we know the compatibility & technical details can be confusing. So just click on our Live Chat below or give us a call at 831-423-7464 M-F 8am-5pm PST.