SHIMANO Dura Ace BB-9000

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Description of Shimano Dura Ace Bottom Bracket Cups SM-BB9000

The Dura Ace bottom bracket cups for Shimano Dura- Ace FC-9000 Hollowtech II cranksets. 

Bottom bracket bearing cups with smaller than before.

The necessary adapter, TL-FC24 is included.

Improved seals provide for 50% less resistance.

Bottom Bracket Type: BSA (1,37 x 24)