M30-T47 I.B.


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M30 T47 I.B (Internal Bearing) for installing our Praxis M30 Spindle based crank into a T47 I.B. road frame.

PRODUCTM30 T47-I.B. | For use with T47 Internal Bearing threaded frame
See photos above!
BUY THIS IF : You are installing a Praxis M30 alloy spindle crank into a T47 I.B. threaded frame.
MEASUREMENTROAD - 85.5mm Width -Threaded
Helpful frame shell guide here
BEARINGSCartridge Steel or Ceramic
30mm DRIVE / 28mm Non-DRIVE
TOOLUse a single M30 Socket Tool or M30 Wrench Tool
MFGForged & machined heat-treated alloy cups
NOTEPraxis 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.
We also offer an M30 Bearing Rebuild Kit here if or when you want to refresh the bearings


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