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Shimano
Dura-Ace FC-R9100 Crankset

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The Shimano Dura-Ace FC-R9100 Crankset has a wider arm than the previous 9000 series crank, but this top-level component still manages to shave weight without reducing stiffness. Hollowglide chainrings and a Hollowtech II crank construction make this superb feat possible, and it's ready for today's modern race geometries with a re-positioned inner chainring to improve performance with 135 mm rear-spacing frames and short chainstays.

Available in multiple crank lengths and gearing options. Compatible with Shimano BB-R9100 and BB-R9100-PB bottom brackets.


Details:

  • 4-arm Hollowtech II crankset
  • Hollowglide chainrings
  • Adapted for race specific disc brake system
  • Redesigned gear teeth profile to fit wider gear pitch
  • Rider tuned gearing options
  • Chainline: 43.5 mm
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Best crankset on the market. Period.
by Anonymous
Cycling Enthusiast
Northern California

When performance matters. Look no further. Light, stiff and great appearance. Full power to the rear wheel.

Reviewed 9/7/2018
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Awesome
by Anonymous
los angeles

Western is the best. Cranks arrived quick and they always have what I need. These cranks are so much nicer than the 8000 ultegra option. The color is super and the constriction is stiff.

Reviewed 1/24/2019
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Best set of cranks on the market
by Anonymous
Cycling Enthusiast
Moorpark, CA

This was an upgrade to the cranks that came on my Cervelo S3. I should of done this 2 years ago.

Reviewed 12/31/2018
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Solid and stiff and stylish!
by ET
Cycling Enthusiast
Mililani, HI

As Dura Ace components go, this is as good as it gets! Light, stiff, and stylish crankset, typical of Shimano Dura Ace.

Reviewed 8/9/2018
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Perfect for riding the hills!! This compact set is typical Shimano high quality, and a great addition to kit...
by Anonymous
Cycling Enthusiast
Brush Prairie, WA
1 of 1 customers found this review helpful.

There is nothing I don't like about it... It is a replacement to my 39-50...for the hills.

Reviewed 6/22/2017
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Western Bike Works is my go to online bike shop for everything!!!
by Jamie
Cycling Enthusiast
Indiana
0 of 1 customers found this review helpful.

Smooth and an easy install.

Reviewed 3/1/2018
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