You have a Praxis™ M30® road crankset. What bottom bracket standard is your bike?





BBInfinite manufactures an extensive range of Praxis™ M30® road bottom brackets that are compatible with all Praxis™ M30® road cranksets on the market. Our mission is to make you as fast as you can be with the highest performance, most durable, dead-quietest products on the market, so you can ride without bike crank creaking. Welcome to BBInfinite.


Now that you have entered the crank set standard installed on your bike or the one you intend to install, you may select the appropriate Praxis™ M30® road crankset bottom bracket standard of your bike to jump directly to the road bike bottom bracket option you desire:

Praxis™ and M30® are registered trademarks of Praxis Works LLC

The possible replacement Praxis™ M30® bottom bracket standards are:

Cervelo BBRight

BB86 (86.5mm)

T47 Internal (86.5mm)

BSA Threaded English BB’s

Press Fit 30 (68mm)

Press Fit 30A (73mm)

BB386EVO (86.5mm)

Specialized OSBB Press Fit 30

T47 External (68mm)

Note: Not all frame bottom bracket standards will be listed above. Praxis™ M30® road crankset standard and some BB's are incompatible. If you have any questions, or need help identifying your bottom bracket standard, please call our Customer Service line: 866.865.3335

Or email us:

Now, please select the appropriate road bike bottom bracket above. Thank you.

Bottom Bracket Selection Guide