Praxis Shimano Bottom Bracket
Best upgrade for cyclists prioritizing smooth, long lasting drivetrain performance.
This is the gold standard for riders tired of creaky, unreliable drivetrains. Its forged construction prioritizes long-term durability and smooth rotation over absolute weight savings, making it the sensible, set-it-and-forget-it upgrade for anyone who values consistent performance on the road over shaving grams.
$49.00
at
Fair Wheel Bikes
Who it's for
- Cyclists with non-standard frames wanting to use Shimano cranks
- Riders frustrated by persistent bottom bracket noise and creaks
- Demanding riders seeking a dependable, long-term bottom bracket solution
Who should skip it
- Budget-conscious cyclists looking for the most economical bottom bracket
- Home mechanics without specialized tools or extensive experience
- Weight-weenie cyclists prioritizing every gram for competitive advantage
Performance breakdown
Bearing smoothness
High-quality cartridge bearings deliver exceptionally low friction for efficient power transfer.
Frame compatibility
Covers nearly every major standard, making it a universal drivetrain solution.
Build durability
Forged construction ensures long-term reliability under heavy pedaling loads.
Installation complexity
Requires specific proprietary tools, which may challenge the casual home mechanic.
Weight efficiency
Strategic material removal keeps the rotating mass impressively low.
Cable routing integration
Thoughtful design accommodates internal routing for a clean, streamlined bike aesthetic.
Key Specs
Fitment
BSA 68 / 73 (English Thread), BB30 / PF30 - 68 / 73 mm, T47 Internal, T47 External
Weight
~98g (BSA), ~130g / ~140g (BB30/PF30), ~104g (T47)
Bracket Width
68 / 73 mm (BSA, BB30/PF30, T47 External), 85.5 mm (T47 Internal)
Crank Compatibility
Shimano Hollowtech II
Spindle Compatibility
24 mm
Bearings
2 - 2437 - Cartridge Steel or Ceramic
Tools Required
T47 Internal uses the T47 I.B. tool, All others use a 44 mm ID socket tool
Know before you buy
Still have a question?
Ask Metto anything about the Praxis Shimano Bottom Bracket before you decide.
