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Ships within 48 hours · Estimated delivery Sep 30 - Oct 5
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Description
Ultegra FC-R8100The ULTEGRA FC R8100 crank performs two vital functions: transferring your pedaling effort into the drivetrain and ensuring the fastest, most precise front shifting available. Thanks to HOLLOWTECH II and HOLLOWGLIDE technologies, Shimano's class leading chainring designs, the FC R9200 strikes the optimal balance of stiffness, strength, weight and rotational performance. Optimal balance of stiffness, strength, weight and rotational performance
- The ULTEGRA FC-R8100 crank performs two vital functions: transferring your pedaling effort into the drivetrain and ensuring the fastest, most precise front shifting available. Thanks to HOLLOWTECH II and HOLLOWGLIDE technologies, Shimano's class-leading chainring designs, the FC-R9200 strikes the optimal balance of stiffness, strength, weight and rotational performance.
- 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
- Available chainring options: 52-36, and 50-34T, and crank lengths: 165, 170, 172.5, and 175mm
- HOLLOWTECH II Technology
- BB set not included
Attributes
| BB Inclusion | No |
| BCD | 110 |
| Chainline | 43.5mm |
| Crank Spindle Diameter | 24mm |
| Crankset Material | Aluminum |
| Drivetrain Spacing | Road Disc |
| Interface | Hollowtech II |
| Pedals Thread | 9/16'' |
| Primary Color | Black |
| Speed | 12 |
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
4.2 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 3
Doesn’t last long
Flavor Name: Peanut Butter, Size: 4 Ounce (Pack of 1)
Both my dogs chewed these up way too fast. Disappointing because I was hoping it would last longer. No odor. Size as expected. They seem to like the taste and had no issues in digesting it
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Dogs seems to like them
Flavor Name: Peanut Butter, Size: 4 Ounce (Pack of 1)
Both little dogs seem to interested these
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Reviewed in the United States on November 8, 2025
★★★★★ 5
My dogs love these!!!
Flavor Name: Peanut Butter, Size: 4 Ounce (Pack of 1)
Perfect for my pugs. Something to chew on without consuming calories.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Last longer for an aggressive chewers than other things
Flavor Name: Peanut Butter, Size: 4 Ounce (Pack of 1)
Last at least a day with an aggressive chewer
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Reviewed in the United States on April 4, 2026
★★★★★ 1
Lasted less than 60 seconds - 6 month puppy.
Flavor Name: Peanut Butter, Size: 4 Ounce (Pack of 1)
Lasted less than 60 seconds ! Stop calling a product a chew. When there is nothing lasting.
I should start returning products that are misrepresented. And stop reading reviews.
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Reviewed in the United States on February 6, 2026