Shimano Dura-Ace 9000 Bottom Bracket Cups
The Shimano Dura-Ace 9000 Bottom Bracket Cups have bearings positioned outside for better weight distribution and more stability.
The bottom bracket has smaller bearings than it's predecessor to reduce weight, and improved sealing result in less drag and, consequently, more speed.
- Threading: Italian or English
- New improved sealing ensures 50% less drag
PRODUCT REF: BB9000
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