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The 105 5700 Bottom Bracket ensures that you get the power transfer and efficiency you deserve from your bottom bracket, and it's improved sealing will provide you with smoother rotation and longer durability overtime.
Fitted with a wider bearing stance that not only increases stiffness and efficiency, the 105 5700 Bottom Bracket is one of the most stable bottom brackets on the market. With polished cups and high quality bearings with enhanced seals to protect them for miles to come, the 105 5700 Bottom Bracket is compatible with all Shimano and Shimano-style outboard type cranksets.
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