SKU: N/A Categories: ,

This is our BSA / English Threaded M30 bottom bracket for installing a Praxis M30 Spindle based crank into a BSA English threaded frame. 68mm Road  /   68/73mm MTB   /   83mm DH



  • For Praxis M30 spindle cranks being installed on a BSA threaded frame
  • 68mm Road  /  68/73mm MTB   /  83mm DH
  • 30mm Drive bearing / 28mm NonDrive bearing | cartridge bearings
  • Ceramic version is Grade 5 / ABEC 5 rating
  • Forged & machined heat-treated AL Cups
Square M30 Hand


FRAME TYPE : This specific M30 bottom bracket is made to be installed in a BSA frame, also known as an English Threaded frame.

BEARINGS : Praxis M30 bottom brackets have a 30mm Drive and a 28mm NonDrive Bearing.  These are specifically made for use with our Praxis M30 spindles. A drive-side wave washer is used for preload of the bearings.     

TOOL : This specific M30 bottom bracket uses our M30 BB tools for installation and removal.   Sold separately, these are available in either a 2pk socket style tool or as wrench style tool.




Praxis warrants components to be free from defects in materials or workmanship for a period of 2 years after original purchase to the original owner. 

However, there are limitations such as normal wear and tear…as “nothing lasts forever” so please read our full Warranty.



PROCESSING –  Orders placed after 12:00pm M-F are processed/shipped the next business day.  Also, any orders placed over a weekend or holiday will be processed and shipped the next business day.  We ship with Fed Ex and charges are calculated in your shopping cart at checkout.

30 DAY / RETURNS – At Praxis, we are a core group of riders that believe you should be completely satisfied with the purchase you have made. Should an item purchased through the Praxis Online Store fail to meet your expectations, we will gladly accept its return within 30 days of original purchase date.  WEB RETURNS