The Shimano BB-MT501 bottom bracket for Hollowtech II provides better sealing and rotation to delivery high driving efficiency.
- English (BSA) threaded bottom bracket
- Fits 68 and 73mm frame bottom bracket shells
- For use with MTB
- Aluminum threaded cups
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Spindle Interface Type: Shimano Hollowtech II
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BB Shell Width (mm): 68 , 73
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Bottom Bracket Shell I.D.: 1.37
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Defined Color: Black
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BB/Frame Interface: English