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An orange and black Praxis Shimano T47 Inboard Bottom Bracket.
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Praxis Bottom Brackets

Praxis Shimano T47 Inboard Bottom Bracket

Power Meter City May 3, 2026
5.00 out of 5 based on 2 customer ratings
(2 customer reviews)

Price range: $48.00 through $160.00

T47 bottom bracket for Shimano 24 mm cranksets

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Praxis Shimano T47 Inboard Bottom Bracket

The Praxis Shimano T47 Inboard Bottom Bracket is a T47 bottom bracket designed for Shimano Hollowtech II spindles. It is made using Enduro 2437 bearings and is specifically for Shimano bearing stance. This bottom bracket is available with steel or ceramic bearings and uses machined heat-treated aluminum cups. It is made for frames that can accept a T47 inboard bottom bracket, meaning the bearings sit within the frame.

This bottom bracket requires the Praxis T47 I.B. Shimano Tool for installation and removal.

 

Praxis Bottom Bracket Comparison

ModelPriceBearingsShellCranksetsWeight
Praxis M30 BSA Threaded Bottom BracketSteel: $45 | Ceramic: $160Steel | CeramicFits BSA (English) threaded 68/73 mm shellsFits Praxis M30 (30 mm/28 mm) cranksets100 grams
Praxis M30 T47 Inboard Bottom BracketSteel: $45 | Ceramic: $160Steel | CeramicFits T47 road framesFits Praxis M30 (30 mm/28 mm) cranksets100 grams
Praxis Shimano T47 Inboard Bottom BracketSteel: $45 | Ceramic: $160Steel | CeramicFits T47 road framesFits Shimano Hollowtech II cranksets104 grams
Praxis M30 BB86/BB90/BB92 Bottom BracketSteel: $45 | Ceramic: $160Steel | CeramicFits PF 41 mm bottom bracket shellsFits Praxis M30 (30 mm/28 mm) cranksets65 grams
Praxis M30 386EVO Bottom BracketSteel: $45 | Ceramic: $160Steel | CeramicFits 386EVO framesFits Praxis M30 (30 mm/28 mm) cranksets104 grams
Praxis 24MM T47 External Bottom BracketSteel: $45 | Ceramic: $160Steel | CeramicFits T47 road framesFits Shimano Hollowtech II cranksets104 grams
Praxis M30 Road BB30/PF30 68MM Bottom BracketSteel: $75 | Ceramic: $185Steel | CeramicFits BB30 and PF30 68 mm road shellsFits Praxis M30 (30 mm/28 mm) cranksets130 grams
Praxis Shimano Road BB30/PF30 68MM Bottom BracketSteel: $75 | Ceramic: $185Steel | CeramicFits BB30 and PF30 68 mm road shellsFits Shimano Hollowtech II cranksets130 grams
Praxis M30 Thru BSA Threaded Bottom Bracket$45SteelFits BSA (English) threaded 68/73 mm shellsFits 30 mm spindles100 grams
Praxis M30 Thru BB86/BB90/BB92 Bottom Bracket$45SteelFits PF 41 mm bottom bracket shellsFits 30 mm spindles65 grams
Praxis M30 Thru T47 Inboard Bottom Bracket$45SteelFits T47 road framesFits 30 mm spindles100 grams
Praxis M30 Thru Road BB30/PF30 68MM Bottom Bracket$75SteelFits BB30 and PF30 68 mm road shellsFits 30 mm spindles130 grams

Compatibility

  • Shell: Compatible with T47 road shells
  • Crankset: Only compatible with Shimano Hollowtech II cranks

Specs

  • Shell Width: 85.5 mm
  • Shell Type: T47
  • Threading: Threaded
  • Axle Diameter: 24 mm
  • Weight: 104 grams
  • Cup Material: Aluminum

Tools Needed for Installation

You will need the following tool for installation of this product.

2 reviews for Praxis Shimano T47 Inboard Bottom Bracket

  1. Ace (verified owner) –

    Smooth like butter…. Replaced the standard Praxis Shimano T47 Inboard Bottom Bracket with the Ceramic. Best upgrade I’ve done..

    • Power Meter City –

      Thanks for sharing your experience, Ace! We’re glad the Ceramic Bottom Bracket upgrade was smooth and exceeded your expectations. Enjoy the ride!

  2. James –

    Cost-Conscious alternative to the big boutique brand BB’s. For the casual rider this is all you need.

    • Power Meter City –

      Thanks for highlighting that! We’re happy to offer cost-conscious options that get the job done for casual riders. Appreciate your support!

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