From world famous Japanese manufacturer Shimano, this MT501 Outboard Bottom Bracket is mountain bike specific. For use with two piece cap free design road chainsets. The minimal bearing interface gives excellent smooth rolling. Simple and easy installation with British BSA thread.
- Outboard or External Bottom Bracket
- Genuine Shimano HollowTech II
- Includes Left and Right Cups, Spacers, Inner Cover and O Rings
- Made by Shimano
- Compatible with 68 and 73mm Shells
- MT501 Shimano
- MTB Specific BB
- Simple and Easy Installation
- British Thread
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