Shimano XTR BB93 Hollowtech II
Best high performance bottom bracket for serious mountain bikers.
This bottom bracket delivers exceptional smoothness and reliability for high-performance drivetrains. It offers a precise fit and robust protection against the elements, ensuring consistent power transfer ride after ride.
$52.00
at
Seattle Electric Bike
More XTR options
Who it's for
- Mountain bikers seeking reliable, long-lasting performance on demanding trails.
- Performance-focused riders prioritizing pedaling efficiency and a fluid ride feel.
- Racers and enthusiasts aiming to reduce bike weight for competitive advantage.
Who should skip it
- Budget-conscious riders or those not needing professional-grade components.
- Riders with non-Shimano or alternative crankset systems.
- Riders in extremely wet or muddy conditions concerned about bearing longevity.
Performance breakdown
Bearing Smoothness
High-end seals and precision races deliver exceptionally low rotational friction.
Weather Resistance
Robust sealing effectively keeps grit and moisture out of the bearings.
Weight Efficiency
Lightweight construction minimizes rotating mass without compromising structural integrity.
Installation Versatility
Included spacers ensure a precise fit across standard shell widths.
Power Transfer
Stiff design ensures minimal energy loss during high-torque pedaling efforts.
Long-term Durability
Built to withstand the rigors of competitive riding and frequent use.
Key Specs
Weight
77 grams
Shell Width
68mm and 73mm
Bottom Bracket/Frame Interface
English
Spindle Interface Type
Shimano Hollowtech II
Color
Black
Included Parts
3 x 2.5mm spacers
Know before you buy
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