SKU: 45426372008

New! Ultegra FC-R8100 4iiii Precision 3+ Pro 170mm 52/36t Power Meter Crankset

$330.07 $366.75
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

New! Ultegra FC-R8100 4iiii Precision 3+ Pro 170mm 52/36t Power Meter CranksetBrand Model: Shimano Ultegra FC R8100 MSRP Price: $980 Power Meter: 4iiii Precision 3+ Pro dual sided power meter (ANT+ and Bluetooth capable). This item was tested to power on, connect to a cycling headunit, and perform a zero offset. Material: Alloy Crank Arm Length: 170 mm Chainrings: 52 36t. We may have other chainring options available or may be wiling to sell without chainring at discount message with requests before purchasing. BCD: 110 mm

Brand/Model: Shimano Ultegra FC-R8100

MSRP Price: $980

Power Meter: 4iiii Precision 3+ Pro dual sided power meter (ANT+ and Bluetooth capable). This item was tested to power on, connect to a cycling headunit, and perform a zero offset.

Material: Alloy

Crank Arm Length: 170 mm

Chainrings: 52/36t. We may have other chainring options available or may be wiling to sell without chainring at discount - message with requests before purchasing.

BCD: 110 mm

Spindle: 24mm

Chainring Mount Type: 4-Bolt

Weight: 759 grams

Condition: This item is new.

Also, please reference the listing photos to evaluate the current wear and condition of the item.

At CyclingUpgrades, we fulfill all orders next business day or sooner. Generally we are able to fulfill orders placed by 12pm MT on the same day, however it is not guaranteed. We ship all items via USPS except for frames/wheels which ship via UPS or Fedex. Please check our other listings for additional cycling upgrades and thank you for shopping our store!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 45426372008

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4.5 ★★★★★
Based on 28 reviews
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Product Reviews
S
Verified Purchase
Shan
Phoenix, US
★★★★★ 5
Dog toy is tough and durable
Color: Blue&Red Fish
It’s great for aggressive chewers, my pittbull loves it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
C
Verified Purchase
CA
Los Angeles, US
★★★★★ 1
Our dogs hurt their mouths chewing these bones
Color: Purple & Blue
I don't do a lot of reviews because I realize many are objective opinions. However, in this case I felt it was necessary to warn others. Our dogs are aggressive chewers. Their last rubber bones (not these) which we've purchased before, and recently purchased again, were destroyed quickly. Chunks of rubber came off the ends. Since those didn't hold up like they used to, I found these harder bones hoping they would last longer. They were able to gnaw into the hard plastic within a few minutes. This created sharp edges that cut their mouths. When I saw a bit of blood on the bones, I took them away from the dogs and threw them away. I wondered why they quit chewing on them after being so excited at first. Also, these are hard enough to damage a tooth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2025
P
Verified Purchase
Patricia Smith
Omaha, US
★★★★★ 2
Pups have shown zero interest in these toys….
Color: Purple & Blue
I would agree that these are indestructible being neither of my dogs have shown any interest in these at all. At this rate they should last forever…
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
C
Verified Purchase
Cosmicethos
Fort Morgan, US
★★★★★ 4
Durable but losses interest
Color: Purple & Blue
My dog is an aggressive chewer. She was interested in this toy while it was new, but soon after lost interest. Good news is although it took a beating it did not break or splinter. If soppy toys are disposable in your house, give it a try.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
R
Verified Purchase
Rene'
Waukegan, US
★★★★★ 1
Not strong enough for chewing
My 7 month old pup chewed the end off, where the treats go, within 30 minutes of having it. Shes a Staffordshire terrior, but shes only 30 pounds. She swallowed some of the plastic so be careful if you buy this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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