M30 THRU – T47 E.B.


SKU: 47-4201 Categories: ,

This is our M30 THRU BB for installing the Praxis LYFT crank into 73mm T47 E.B. MTN frames.  Also good for other brand 30mm cranks like SRAM, RaceFace/Easton “Cinch” cranks, Rotor Rex/3D+ cranks, and CaneCreek eeWings.  See full spec and notes below.



  • For installing Praxis LYFT crank into T47 E.B. MTN frames.
  • Also good for other brand 30mm cranks like SRAM, RaceFace/Easton “Cinch” cranks, Rotor Rex/3D+ cranks, and CaneCreek eeWings.
  • 30mm Drive / 30mm NonDrive | Steel cartridge bearings
  • 68mm Road version  /  73mm MTN setup
  • Forged & machined heat-treated AL Cups
  • TOOL: Install/Remove with either our M30 socket style or wrench style.

VIP NOTE : The M30-THRU family of Praxis BB’s can be used with other brand cranks.

Square M30 Hand


FRAME TYPE : This specific M30 bottom bracket is made to be installed in a T47 68/73mm threaded frame..

BEARINGS : Praxis M30-THRU bottom brackets have a 30mm Drive and a 30mm NonDrive Bearing.       

TOOL : This M30-THRU 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.

You must read and follow the crank instructions that came with your specific brand and model of crank to determine the correct setup.  Praxis provides 2mm dust covers for each side as base setup, but every brand has its own specific crank setup.  You man need additional spacers depending on your brand crank. So please follow your brand’s instructions.

103mm or longer for Road | 108mm or longer for MTN





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