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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
Shimano Ultegra FC-R8100 Crankset - 175mm, 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): 175
- 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
5 Available to ship in 2-4 Business Days
UPC: 192790893723
EAN: Not available
Manufacturer Part Number: IFCR8100EX26
CK0653
181701-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
4.1 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Perfect for my body and fit preference, plus COTTON
Size: X-Large, Color: Set-unbl
Update: Different color packs fit differently. I've purchased two packages, one all-black and one black with the colorful waistbands. The all-black are a little smaller. IMO the all-black run a half to a full size small, and the black with the colorful waistbands run true to size.
Listen, all of our bodies and preferences are so different, but these are perfect for my body and my fit preference. They hit at my bellybutton and I would describe the length as short-boyshorts, but not hipsters. Most importantly, they're cotton, which my body reacts much better to these days.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Good quality
Size: Medium, Color: Set-unbl
They fit perfectly and seem well made
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Will be buying more
Size: X-Large, Color: Set-unbl
LOVE THESE!
They’re so comfortable and stretchy.
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Reviewed in the United States on April 24, 2026
★★★★★ 3
They're ok
Size: Large, Color: Set-mu2
These are ok. I'm 5'6", 150lbs. I got a large. The colors are fun. The waist band is comfortable, fits well, doesn't dig in, and sits high enough to not affect a my C-section scar, but they constantly ride up.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Cotton panties need to be the standard- these are amazing!
Color: C-multicolor(6 Pack), Size: Medium
SO comfortable!! I’ve never owned a pair of 95-100% cotton underwear and I’m never going back. These are so breathable, soft and well made for an affordable price! The lacey detail is so cute and feminine. I got the mediums cause I don’t like my underwear squeezing me but don’t want them too loose either. After washing and drying they fit nicely. They hit at waist as well which I love. Would definitely recommend!
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Reviewed in the United States on May 28, 2026