Shimano Dura-Ace Bottom Bracket Cups

Shimano Dura-Ace Bottom Bracket Cups
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Details

Shimano's Dura-Ace Bottom Bracket Cups are perfect for Shimano's Dura-Ace Crankset. They feature super-smooth sealed bearings, a plastic sleeve for additional protection, and they come in English and Italian threading.

Part Numbers

Option UPC MPN
English thread 689228248052 ISMBB7900B
Italian thread 689228248069 ISMBB7900I

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