powermeter rennrad ultegra 4iiii ULTEGRA R8100 PRECISION 3+ POWERMETER
SKU: 94203883332
powermeter rennrad ultegra

powermeter rennrad ultegra 4iiii ULTEGRA R8100 PRECISION 3+ POWERMETER

Sale price$22.78 Regular price$25.31
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Ships within 48 hours · Estimated delivery Jul 3 - Jul 8

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Description

powermeter rennrad ultegra 4iiii ULTEGRA R8100 PRECISION 3+ POWERMETER4iiii's most powerful unit yet, compressed into a smaller, lighter package and featuring Apple Find My, the PRECISION 3+ Powermeter is a proven choice of pros and amateur riders alike. Whether you're fighting for a qualifying spot in Kona, logging countless hours on virtual riding platforms or looking to improve your time in the local KOM segment, you want accurate and reliable tools to unlock your potential. With up to 800 hours of battery life, an

4iiii's most powerful unit yet, compressed into a smaller, lighter package and featuring Apple Find My, the PRECISION 3+ Powermeter is a proven choice of pros and amateur riders alike. Whether you're fighting for a qualifying spot in Kona, logging countless hours on virtual riding platforms or looking to improve your time in the local KOM segment, you want accurate and reliable tools to unlock your potential. With up to 800 hours of battery life, an automatic terrain selector, +/-1% accuracy and backed by our industry-leading 3-year warranty, the PRECISION 3+ Powermeter will be your trusted tool for years to come.

HOW IT WORKS.
The PRECISION 3+ Powermeter is so much more than a power meter. It is your training partner that gives you peace of mind. While cycling, your PRECISION 3+ Powermeter sends watts, cadence and calories to your navigation of choice. When the power meter is not in use, Find My is enabled and your power meter turns into an Apple Airtag. You can add your bike and view its location through the Apple FindMy app on your iOS device.

FEATURES
APPLE FIND MY
The peace of mind of knowing exactly where your bike is, wherever you go.

800 HOURS OF BATTERY LIFE
With up to 800 hours of battery life, using the same CR2032 button cell battery, you won't have to worry about replacing your PRECISION 3+ battery for years.

ACCURACY IN 3D
Not everyone has the perfect pedal stroke. With +/- 1% accuracy, the 4iiii is the only crank-based power meter that uses 3 strain gauges to measure all the forces in your pedal stroke.

AUTOMATIC TERRAIN SELECTOR
Detects the terrain you ride on for more responsive cadence and power feedback/data. Ride confidently on the less traveled roads.

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: 94203883332

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4.5 ★★★★★
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Heather gomez
Dallas, US
★★★★★ 5
Did not disappoint!
Perfect Fit: Bolted right up to the engine block without any shimmying or modification needed. ​Strong Crank: The motor sounds powerful and turns the engine over significantly faster than my old, dying unit. Once hooked up, the car fired up instantly on the first turn of the key. No grinding, no clicking, just a smooth, high-torque start. Price: A lot more cheaper then your average auto parts stores. ​Build Quality: The solenoid connections are solid and the threads were clean. Packaging: The box arrived on time but a bit beat up, but the starter itself was well-protected in bubble wrap and undamaged.
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Reviewed in the United States on April 2, 2026
D
Verified Purchase
David
Los Angeles, US
★★★★★ 5
Still working great!!
I really didn't have a good feeling about ordering a starter online, but I was in a situation where I didn't have the time to get to the auto shop before my day off and Amazon could get me this part just in time. So I reluctantly gave it a shot. When it showed up it had a couple of small black pieces of plastic loose in the box similar to the pieces shown in another review on here. It didn't look like they from anything functional. I really needed to get my wife's car running so decided to install it anyways. The install was easy and it was a perfect fit. The only draw back would be that the signal wire didn't click in place like the signal wire on the original starter. But it was a snug fit. It has been installed and working great for a month now. Very happy with my purchase. It also had a message from the seller when I opened the box giving the starter a 2 year warranty. Very cool. If the starters fails in the next two years I'll get on here and edit my review. So if your reading this then it is still working great.
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Reviewed in the United States on December 10, 2025
M
Verified Purchase
mammaof3
Port Orchard, US
★★★★★ 5
Great quality at a great price too!
Husband got this for his ‘05 Camry and says it looks and fits just like the original. He was happy that it simply slid in with no adjustments needed. It’s been a couple months now and no problems at all. Very satisfied with this item.
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Reviewed in the United States on December 3, 2025
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Verified Purchase
Sybil
Lake Worth, US
★★★★★ 5
Great value!
Worked great.
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Reviewed in the United States on May 20, 2026
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Verified Purchase
Tb320
Chelsea, US
★★★★★ 4
Electrically good. Fitment not so good.
This starter worked fine when installed. The only reason I didn't give it a 5 star rating was fitment. the hole in the bell housing is slightly larger than the starter. The old starter, OEM, was a right fit. This puts all of the strain and torque of starting the engine on the two bolts that hold the starter in. I expect this to fail at some, hopefully, distant point in the car's future. In order to retorque the starter bolts, the battery and airbox have to be removed.
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Reviewed in the United States on October 6, 2025

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