Description
Engineered for demanding mountain bike riding, the Shimano XTR SM-BB93 Bottom Bracket combines smooth rotation, high-precision sealing and lightweight construction for consistent pedalling performance.
Designed for Shimano HOLLOWTECH II cranksets, its outboard bearing system supports efficient power transfer and improved pedalling stability. The small ball bearing design helps reduce weight, while enhanced sealing protects the bearings for long-lasting performance.
Key Features
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HOLLOWTECH II design for efficient power transfer and pedalling stability
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Smooth bearing rotation for consistent pedalling performance
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High-precision sealing enhances durability
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Small ball bearings contribute to lightweight construction
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Threaded installation for 68mm and 73mm bottom bracket shells
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Designed for mountain bike applications
Specifications
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Brand: Shimano
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Series: XTR
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Model: SM-BB93
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Bottom Bracket Type: HOLLOWTECH II Threaded
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Shell Width Compatibility: 68 / 73mm
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Bearing Design: Small Ball Bearing
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Average Weight: 73g
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Discipline: Mountain Bike (MTB)






