Shimano Deore XT Bottom Bracket
Best durable component for reliable mountain biking performance.
A reliable, lightweight upgrade for mountain bike drivetrains that prioritizes smooth rotation and weather protection. It simplifies maintenance with a standard interface while ensuring long-term durability through high-quality seals and finish.
$33.99
More Deore XT options
Who it's for
- Mountain bikers seeking a dependable and long-lasting drivetrain component.
- Riders prioritizing fluid power transfer and reduced friction in their ride.
- Cyclists upgrading or replacing components within the Shimano ecosystem.
Who should skip it
- Home mechanics without a complete set of specialized bike tools.
- Users who prefer to rebuild or service individual components rather than replace them.
- Racers and ultralight enthusiasts prioritizing minimal bike weight above all else.
Performance breakdown
Rotational Efficiency
Smooth bearings ensure minimal drag during high-cadence trail riding.
Weather Sealing
Advanced seals effectively block grit and moisture from compromising internal components.
Installation Simplicity
Standardized interface makes swapping this unit quick and frustration-free.
Durability
Anodized finish provides a robust shield against harsh off-road conditions.
Weight Optimization
Lightweight construction keeps rotational mass low without sacrificing structural integrity.
Compatibility
Broad standard support integrates easily into most modern mountain bike frames.
Key Specs
Material
Anodized aluminum
Spindle Diameter
24mm
Shell Width
68/73mm
Bottom Bracket Standard
BB86, BB92
Spindle Interface
Shimano Hollowtech II
Water Resistant
Yes
Tool Interface
TL-FC25
Sealing Type
Lightweight seal structure
Serviceable Bearings
No
Ceramic Bearings
No
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