Shimano BB-MT801 Bottom Bracket
Best durable upgrade for mountain bikers seeking reliable trail performance.
This is the set-it-and-forget-it upgrade for riders tired of creaky, gritty drivetrains. By prioritizing heavy-duty seals over ultra-lightweight materials, it trades a few grams for the kind of long-term reliability that keeps you riding through mud and grit without a second thought.
$44.00
at
Contender Bicycles
Who it's for
- Mountain bikers frequently riding in wet or technical trail conditions
- Weight-conscious riders looking for a durable XT-level component upgrade
- Performance-oriented cyclists seeking a dependable and efficient pedaling platform
Who should skip it
- Home mechanics who prefer using universal tools for bike maintenance
- Eco-conscious cyclists who prefer rebuilding components over replacing entire units
- Owners of modern carbon frames featuring press-fit bottom bracket standards
Performance breakdown
Sealing Efficacy
Advanced seals effectively repel mud and water in harsh trail conditions.
Rotational Smoothness
Compact bearing design delivers a fluid, low-friction feel under load.
Durability
Robust construction ensures long-term reliability for high-mileage riders.
Installation Simplicity
Standard BSA threading makes installation straightforward for most home mechanics.
Weight Efficiency
Solid performance at 82 grams, though not the lightest option available.
Serviceability
Non-serviceable design requires full replacement rather than simple bearing maintenance.
Key Specs
Model
BB-MT801
Series
Deore XT
Weight
82.1 g
Shell Width
68 mm
Bottom Bracket Standard
BSA Threaded
Bearing Material
Steel
Intended Use
Mountain Biking, Road Cycling
Water Resistant
Yes
Serviceable Bearings
No
Ceramic Bearings
No
Know before you buy
Still have a question?
Ask Metto anything about the Shimano BB-MT801 Bottom Bracket before you decide.
