M24 BB30/PF30 73MM MTN


SKU: 73-3201R Categories: , ,

This BB is for installing a Praxis M24 or SRAM GXP steel spindle MTN crank in either BB30 or PF30 73mm MTN frame.



  • For M24 / GxP steel spindle cranks being installed in a 73mm BB30 / PF30 MTN frame.
  • Forged & machined heat-treated 7075 T6 Aluminum
  • Enduro 2437 Drive /2237ER Non-Drive steel bearings
  • 73mm version is only for MTN.
  • Ref Weight - 149g +/- with included sleeve
Square M30 Hand


FRAME TYPE : This specific press fit M24 bottom bracket is made to be installed in a 73mm BB30 or PF30 MTN frame.

BEARINGS : Praxis M24 bottom brackets have a 24mm Drive and a 22mm NonDrive Bearing.  These are specifically made for use with Praxis Road M24 spindle cranks or SRAM Road GxP spindle cranks. A drive-side wave washer is used for preload of the bearings.

TOOL : This specific M24 bottom bracket requires two 16 notch traditional BB tools along with a press tool/drift for installation.  Please read the instructions carefully for installation. Use any standard outboard cup BB tool with 16 external notches and a 44mm ID



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