Shimano Dura-Ace BB-R9100 Bottom Bracket 68mm
$69.95
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Tax included.
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The Shimano Dura-Ace BB-R9100 is a BSA/English threaded external bottom bracket for 68mm frames, compatible with all Shimano Hollowtech II cranks using a 24mm spindle. Updated bearing seals reduce friction by up to 75% compared to previous generations, while 19 smaller ball bearings per side shave weight without sacrificing smoothness or bearing longevity.
Key specs: BSA/English threaded · 68mm shell · 24mm spindle · 65g
Pickup available at Urban Pedaler Store.
Usually ready in 24 hours
