Praxisworks Shimano Mountain Conversion Bottom Bracket
Best silent drivetrain solution for mountain bikers using press fit frames.
This conversion kit bridges the gap between different frame standards and cranksets, allowing for a seamless fit. It provides a reliable, high-performance interface that ensures smooth rotation and long-term durability on the trail.
$54.99
at
Tree Fort Bikes
Who it's for
- Riders seeking a silent and reliable bottom bracket interface
- Mountain bikers prioritizing long-lasting mechanical efficiency
- Mechanically minded cyclists wanting optimal drivetrain longevity
Who should skip it
- Home mechanics without a specialized tool collection
- Weight-conscious racers counting every gram on their build
- Inexperienced bike builders preferring a quick and simple setup
Performance breakdown
Bearing Smoothness
Enduro bearings deliver exceptionally low friction for efficient power transfer.
Installation Simplicity
The threaded design eliminates common press-fit creaking and alignment headaches.
Compatibility Range
Seamlessly bridges the gap between diverse frame standards and Shimano cranks.
Durability
Robust construction withstands the harsh conditions of aggressive mountain biking.
Creak Resistance
Collet-style design locks firmly in place to silence unwanted drivetrain noise.
Seal Integrity
Effective weather sealing keeps grit and grime out of the bearings.
Key Specs
Bottom Bracket Shell Width
73 mm
Bottom Bracket/Frame Interface
BB30, PF30
Spindle Interface Type
Shimano Hollowtech II
Bearing Type
Enduro
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