SKU: 22764485148

Shimano Ultegra FC-R8100 Crankset - 170mm, 12-Speed, 52/36t, Hollowtech II Spindle Interface, Black

Sale price$164.25 Regular price$182.50
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Description

Shimano Ultegra FC-R8100 Crankset - 170mm, 12-Speed, 52/36t, Hollowtech II Spindle Interface, BlackAn integral part of the Shimano Ultegra 12 speed road lineup, the FC R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12 speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements. Optimal balance of stiffness, strength, weight and

An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.
  • Optimal balance of stiffness, strength, weight and rotational performance
  • Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting

Product Specifics

  • Color: Black
  • Rings: 52/36
  • Number of Chainrings: Double
  • Crank Length (mm): 170
  • Crank Intended Use: Road
  • Drivetrain Speeds: 12
  • BB Included: No
  • Pedal Spindle: 9/16"
  • Spindle Interface Type: Shimano Hollowtech II
  • Chainring BCD: 110 Shimano Asymmetric
  • Chainline/Hub Compatibility: 130 Hubs



Today's Stock Status

10+ Available to ship in 2-4 Business Days





UPC: 192790894096
EAN: Not available
Manufacturer Part Number: IFCR8100CX26
CK0649
181724-Q0-L



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SKU: 22764485148

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Jamie
Massapequa, US
★★★★★ 5
Excellent Read. Highly recommend.
Format: Hardcover, Format: Hardcover
I can't believe how much I loved this book. It was so well written, and it kept me interested to the very last page. I couldn't put it down. If you're looking for a coming-of-age book with a lot of twists and turns and some feminism thrown in this book is for you it gave me a lot to think about. Way to go Deborah Curtis on your first novel. I hope you'll be publishing more.
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Reviewed in the United States on May 8, 2026
D
Verified Purchase
David Wagner
Carnegie, US
★★★★★ 4
not too shabby
Format: Kindle
This book reminds me of a Jane Austin novel. She writes like Jane Austin. The author did a good job with realism, life is painful and there was a plethora of that in this book. I do like how it ended even though I’m not a huge fan of Lilys choices. I’m not sure she deserved her ending, she reconciled one tragedy in her life but several others are still waiting for her to take responsibility for. It was worth the read.
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Reviewed in the United States on February 28, 2026
M
Verified Purchase
Marya G. Wthers
Phoenix, US
★★★★★ 5
You'll want to talk about this read!
Format: Hardcover
Read this novel when it first came out and still thinking and talking about it. Great read for a book club --- each reader may have different take away topics - young love, sisterhood, friendship, forgiveness, motherhood. I just bought several copies to give to some powerhouse women. Keep writing D Curtis. Your Fan.
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Reviewed in the United States on May 3, 2026
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gambagal
Boise, US
★★★★★ 5
I was skeptical, but for me, this one works.
Size: 90 Count (Pack of 1)
I am usually skeptical of these "improve-your-whatever-with-this" products. But much to my surprise, for me this one lives up to the hype. After about a week, there was as noticeable improvement in my overall memory, especially older memories. My recall is faster, I retain things longer, and learn new things more quickly. As a side benefit, I am also now able to quickly find alternative solutions to everyday problems that come up.
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Reviewed in the United States on May 18, 2026
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WhatIsThat
Carnegie, US
★★★★★ 5
GREAT product!! No complaints at all!
Size: 90 Count (Pack of 1)
So I got this product as an experiment. I don’t like taking prescriptions - but that is just me. I have the most boring job on the planet. And it’s all I can do to make it just through the morning without falling asleep. when I saw this product, I decided to give it a try. I am totally and completely shocked how well this works. It doesn’t make me jittery at all. It just makes me feel alive and alert and ready to roll. And I can focus on the monotonous tasks at my job. When I do take them, I have to take them in the morning. they do last all day - again - this is for me. but I found when I took them in the afternoon, I was still wide awake at 1:00am. Which put a damper on my trying to drag myself out of bed and to work at the most boring job ever.
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Reviewed in the United States on May 17, 2026

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