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Shimano Dura-Ace BB-R9100 Bottom Bracket

$39.99
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  • Black, 68/English
    $39.99
  • Black, 70/Italian
    $39.99

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Dura-Ace BB-R9100 Bottom Bracket

Our modern world of bottom brackets is something of a labyrinth; if you can decipher the clues to find your way to the one that works for you, we commend you. But if a few shadowy paths still leave you uncertain or confused, let us try to illuminate one of them for you. The Dura-Ace BB-R9100 Bottom Bracket has stood as a bellwether for solid, reliable bottom bracket design since Shimano wisely embraced external bottom bracket technology when it wasn't yet popular. Despite new bottom bracket standards bombarding us more often than ever, Shimano keeps its faith in this serviceable, reliable, and exceptionally durable design, and for good reason. Improved seals ensure a quieter ride and reduce drag, and the smaller friction-reducing bearings that first appeared on Dura-Ace 9000 return to smooth your ride once again.

  • Exceptional bottom bracket design returns again
  • Small bearings reduce friction and roll smoothly
  • Seals reduce drag without compromising durability
  • Available with English or Italian threading
  • Item #SHI00DN

Material
[cups] aluminum
Shell Width
[English] 68 mm, [Italian] 70 mm
Threading
English, Italian
Recommended Use
road cycling
Manufacturer Warranty
3 years

Tech Specs

What do you think about this product?

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>Rating: 5

Installed properly, smooth

Familiarity:
I've used it several times

Got this to replace an old Ultegra bottom bracket for an Ultegra crank because of crinkly creaking during hard pedaling. Would have be fine with another Ultregra bottom bracket, but out of stock. Threaded into my Pinarello F8 bottom bracket properly, tightened up and torqued in as expected. Cranks installed as expected and spin smoothly. Creaking during hard pedaling went away. Have had it on for about 300 miles so far. Pretty cheap solution, and now I've got some Dura Ace on the bike!

>Rating: 5

Smooth

Familiarity:
I've used it several times

Great improvement for a few bucks, pedaling feeling is smoother than tiagra/105 model, just check compatibility with your frame and crankset, since this is laser cut, it could not fit your frame, the guys at my local bike shop had to use teflon but they pulled it off

>Rating:

Hi! my bike is malfunctioning now SM-FC7800 . What can be replaced? Thank!

Hi!
>Rating:

Is this compatible with all Hollowtech cranksets? - particularly Ultegra 6800?

>Rating:

Does the 9100 bottom bracket work with a 9000 series crank?

>Rating:

Does it come with the Dura Ace tool insert?

>Rating:

Will this bb work with a DA 7800 crank replacing a BC1 37x24?

It should. As long as the spindle is 24mm which I believe it is.

>Rating:

I have the Park Tool BBT-9, BBT-59, & BBT-69.2. Will any of these work, or if I need another special tool or adapter, which one?

Hey Chris! You'll want the BBT-9 for this particular BB. Be sure to let me know if you have any more questions! Thanks!

>Rating:

I'm confused. How does this differ from the BB9000?

Will this BB fit a dogma f8 with dura ace 9100 crankset. Thanks.