SKU: 80399833036

Shimano Ultegra FC-R8100 Crankset - 172.5mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black

Sale price$164.25 Regular price$182.50
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

Shimano Ultegra FC-R8100 Crankset - 172.5mm, 12-Speed, 50/34t, 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: 50/34
  • Number of Chainrings: Double
  • Crank Length (mm): 172.5
  • 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

2 Available to ship in 2-4 Business Days





UPC: 192790894089
EAN: Not available
Manufacturer Part Number: IFCR8100DX04
CK0650
181723-Q0-L



Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 80399833036

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4.4 ★★★★★
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A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 5
Great quality!
Color: White
Great quality! Easy to put together!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
I
Verified Purchase
it is awesomeness
Alexandria, US
★★★★★ 5
Great
Color: White
Very nice easy to install
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Reviewed in the United States on April 19, 2026
T
Verified Purchase
Tina
Houston, US
★★★★★ 5
The Perfect Shelves!
Color: Wooden
Great quality and easy to assemble. The perfect shelves for my space.
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Reviewed in the United States on March 16, 2026
L
Verified Purchase
Lisa Rattee
Whiting, US
★★★★★ 5
Beautiful Decorative and Light Weight Shelving!
Color: White
Beautiful shelving. Came with hardware for hanging and a ruler strip template for mounting locations, although the holes did not match up with the shelf holes. Shelves are just the right size for my purpose and also decorative and light weight.
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Reviewed in the United States on May 24, 2026
N
natalie
Boise, US
★★★★★ 4
sturdy, solid wood, a couple of blemishes
Color: Black
The shelves are securely packed for shipping. The box for the actual item was dented and smashed at one corner, but the contents were well secured. The support braces (6 in total) had a blemish on one - which I will cover with black permanent marker and face on the inside. The second support, which was packed so one could see the defect upon opening of the box, had a couple of dings on the top of the shelf and a huge notch taken out of the side of the support - which is black and near the top and shouldn't be noticable. I question the quality control to ship out that piece with the serious notch, especially because it was right on top when you opened the box, fully visible. I originally thought it was an angled hole for a screw, until I read the instructions and then realized the others didn't have that notch. The 3 shelves are fine except for the one with a few small dings/dents on the top side. The set comes with dowels, all hardware and so forth. Overall these are solid sturdy shelves.
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Reviewed in the United States on June 17, 2024

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