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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
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Description
Shimano Ultegra FC-R8100 Crankset - 165mm, 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): 165
- 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
UPC: 192790893785
EAN: Not available
Manufacturer Part Number: IFCR8100AX26
CK0647
181705-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:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 3
Size does not run true. Have to one or two up your sizing. Well made otherwise.
Run small, nowhere true to size. Had to end up with a two-sizes larger pair. Otherwise, a nice weight, great shade of blue that is true to the photo. Really are wrinkle resistant. Not a lot of stretch, but that’s what he wanted anyway. Can’t speak to durability as we just received them, the material seems of a sturdy quality and is well made without any strings or skipped stitches. These will easily be worn casually or with a blazer. Nice flat front with a straight fit from hips to hem.
Once you find your size, these are a great pair of pants.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Comfortable
Very comfortable pants and the material feels good . Only complaint I have is the button closure. Will have to sew some more tread to the flimsy button. Perfect fit with just a little bit wriggly room in the waist for me. Price is very good compared to similar products with higher prices.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Tremendous fit, quality and style.
These pants will work their way into your heart, become your favorite pair. Fit, quality, color, function. I would buy these bad boys over and over again. You can’t go wrong. Enjoy your first pair, welcome to the fraternity.
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Reviewed in the United States on June 5, 2026
★★★★★ 4
Great value.
Good, casual khaki. These do have their flaws. They have very average stitching, loose threads will happen. But they are true to size, very comfortable fabric.
Priced very reasonable. You put them on and forget um.
I will say the top button hole is "tight" on both pairs of mine.
Don't let that catch you short heading to the bathroom.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Quality Jeans
Fit nice. Good price. Would purchase again.
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Reviewed in the United States on January 17, 2024