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The Shimano Ultegra SL SM-FC6600G Bottom Bracket is for use with the Shimano Ultegra and Ultegra SL Cranksets. The Shimano Ultegra SL SM-FC6600G Bottom Bracket comes with cups, bearings, and sleeves. This bottom bracket helps give your Ultegra crankset the best power transmission out there. OneTri is one of the premier retailers for the Shimano Ultegra SL SM-FC6600G Bottom Bracket.
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