Stages Shimano Ultegra R8000 Power Meter
March 21, 2023$449.99
Stages Cycling performance on Shimano’s best-selling R8000 crank arm
Stages Shimano Ultegra R8000 Power Meter
The Stages Shimano Ultegra R8000 Power Meter combines Shimano’s award-winning Ultegra groupset with Stages Cycling’s proven performance and dependability. The result is an accurate, lightweight, durable power that comes ready to ride on a Shimano R8000 crank arm. Compatible with all Shimano Hollowtech II road cranks, the Stages Ultegra R8000 runs off of a CR2032 battery and features 200 hours of battery life.
In addition, the power meter is extremely lightweight – adding only 15 grams to the weight of the crank arm. All Stages power meters are compatible with both ANT+ and Bluetooth SMART devices, which means you can use your favorite bicycle computer as well as a smartphone or tablet.
The Stages R8000 power meter (Generation 3) features radio antennas that are 6x more powerful than the previous version. This means better compatibility with both bike computers and watches. The new versions also feature improved accuracy (+/- 1.5%) and have an LED indicator light on the housing for improved ease of use.
Key Product Details
Compatibility:
This power meter is compatible with Shimano R8000 cranksets. It can also be installed on other Shimano road cranksets, as long as they use Shimano’s Hollowtech II interface. See Compatibility tab for more information.
Power Measurement:
This Stages power meter measures left leg power and doubles the value to account for both legs (assumes both legs are generating the same force).
Key Features:
Affordable, accurate to within +/- 1.5%, lightweight at only 15 grams of added weight, 200+ hours of battery life, CR2032 user-replaceable battery, ANT+ and Bluetooth compatible, easy to install. See Specs tab for more information.
Advice From Our Staff:
Stages left side crank arms are some of our best-selling units. They work with most Shimano cranksets, are affordable and easy to install. The one consideration is they only measure left leg power compared to some other power meters that measure power from both legs (those versions usually cost more however).
Options For This Power Meter
Crank arm lengths: This power meter is available in the following crank arm lengths:
- 165 mm | 170 mm | 172.5 mm | 175 mm
Other Versions to Consider
Dual-Sided R8000 Crankset: We also sell the Stages Shimano Ultegra R8000 Dual-Sided Crankset which is a complete crankset. It is more expensive, however it measures power from both legs.
Right-Side R8000 Crank Arm: If you currently have a Stages Shimano R8000 left side crank arm, we have the Stages Shimano Ultegra R8000 Right Side Power Meter which allows you to upgrade to a dual-sided power meter. Or, some bike frames cannot fit a left side crank arm-based power meter due to clearance issues with the chainstay. In these situations, the Stages right side power meter is a perfect solution.
Compatibility
Crankset: The Stages Shimano Ultegra R8000 Power Meter is compatible with Shimano R8000 cranksets.
Please note, the power meter can also be installed other Shimano road cranksets, as long as they use Shimano's Hollowtech II interface. These cranksets can easily be identified by the two opposing pinch bolts that are used to secure the left side crank arm. Please see the image below and contact us if you have any questions on compatibility.
Check Frame Clearance: Crank-arm based power meters like this one attach a sensor on the inside of the left crank arm. On some bikes, there is not enough room between the left crank arm and the chainstay for the sensor to clear the frame. Therefore, you should make sure you have at least 10 mm of clearance between the left crank arm and the chainstay - and that you don't have a bottom bracket mounted rear brake (used on some aero and TT bikes). The important area to measure is right in the middle of the crank arm. Please refer to the image below.
If you find that you have around 7-9 mm of clearance, what many people will do is simply install a 1 or 2 mm bottom bracket spacer (between the left crank arm and the frame), which will give them the clearance they need.
Stages Ultegra R8000 Power Meter Specs
| Name | Stages Shimano Ultegra R8000 |
| Bike Type | Road |
| Location of Power Measurement | Crank Arm |
| Left or Both Legs Measured | Left only |
| Independent Left/Right Measurement | No |
| Installation | Easier |
| Crank Arm Material | Aluminum |
| Communication Protocol | ANT+ and Bluetooth SMART |
| Claimed Accuracy | +/- 1.5% |
| Automatic Temp. Compensation | Yes |
| Weight | 15 grams (added weight) |
| Battery Type | CR2032 coin cell |
| Battery Life | 200+ hours |
| Method of Cadence Measurement | Accelerometer |
| Warranty | 1 year |
In the Box
- Stages Power Meter
- 2032 coin cell battery
- Quick Start guide
Tools Needed for Installation
You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.
- Shimano Crank Arm Cap Tool
- 5 mm Allen key
Common Questions and Answers
Question: How do I determine what length my current cranks are so I can make sure I get the same size?
- Your crank arm length should be printed or stamped on the inside of the left crank arm, usually near the pedal end.
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For the instillation or removal of Shimano Hollowtech II cranks
Jay F. (verified owner) –
Great product and great service!!! The experience was top notch. Note to those with 2019 Trek Domane SL series with disk brakes, the chain stay is close to the crank and the Stages clearence checking tool showed that there may be an interference. After installing the Stages Ultegra powermeter crank on my bike, I found that there is plenty clearance.
Power Meter City –
Thank you for this kind review and for the image, Jay! We hope you will continue to enjoy your new Stages power meter and if there is anything else we can do, please let us know!
Matthew (verified owner) –
The Stages r8000 power meter is a great product. It works the way it supposed to work. Power Meter City is awesome! The are super helpful and fast.
Power Meter City –
Looking great right there! Thank you for this, Matthew! We hope you will continue to enjoy your new Stages power meter! Let us know if there is anything else we can do! Ride safe!
Christy –
Fast shipping, great price and easy to install. Connects with no problem to my phone and my garmin 520 plus.
Been riding for awhile now and got into road biking 3 yrs ago. Got this power meter maybe a yr ago and its been great. I like seeing the data and have definitely gotten stronger.
Power Meter City –
Looking good, Christy! Thank you for the review and the photo! Looks like you are enjoying them! Let us know if there is anything else we can do! Ride safe!
Sam –
Works well, I have 2 stages power meters on different bikes. The power readings from the two different bikes seem to be close to each other, within 20 watts or so.
Power Meter City –
Good to hear, Sam! Good luck on your rides and if there is anything else we can do, please let us know!
Jeff (verified owner) –
Very easy to install and pair with the Stages app for calibration. I’ve used it with both Wahoo Fitness phone app and a Wahoo Elemnt Bolt V2 for 340 miles with no issues pairing or signal dropouts. This fits my 2019 Canyon Endurace CF SL 8.0 Disc with about 2.5mm min clearance between the sensor and the frame.
Power Meter City –
Awesome! Thank you for this review, Jeff. We are glad you are enjoying your new Stages Shimano Ultegra R8000 Power Meter. If there is anything else we can do to help, please let us know! Ride safe!
Devin Young (verified owner) –
There are 2 aspects to this review that are important – the power meter itself, and Power Meter City. Honestly, they are both 5 stars,
The power meter itself is exactly as advertised – easy to attach, easy to sync to a garmin, and easy to use. The only thing that threw me for a loop was the need for a Shimano pre-load cap tool (that I didn’t have). I was easy enough to get at the local bike shop, and once I had it, assembly was a piece of cake. It works flawlessly.
As for Power Meter City – well – in todays times, they were the ONLY place I could find that actually had the Power Meter I was looking for (right size, etc…), including the manufacturer.. Once I ordered it, I got a tracking number almost immediately and had it in 2 days. I was impressed by the inventory, and the purchase to delivery process was flawless. If you’re looking for a power meter, I feel like you can’t go wrong here.
Power Meter City –
Hi Devin. We really appreciate this! Thank you for being a great customer too. We hope you will enjoy your new Stages power mete – good luck on your rides and please let us know if there is anything else we can do! Ride safe!
Tracy (verified owner) –
Unbelievable quick delivery. Will definitely do business again with Power Meter City. Accuracy is close to my wahoo core trainer. The only thing I would have done differently is to purchase both right and left side power meter together. Will purchase the right side once it is in stock.
Power Meter City –
Hi Tracy, we also want to thank you for being a great customer. We hope you will enjoy your new Stages power meter. We are here if there is anything else we can do!
Andre Cyr (verified owner) –
Very good experience; good price and fast delivery.
Power Meter City –
Hi Andre. Thanks for this – we really appreciate it. We hope you will enjoy your new Stages. Let us know if there is anything else we can do!
Michal (verified owner) –
One of the best experience that I had when I bought something in the internet. Quick delivery, easy to install, works great and good performance. Good job guys. ????????
Power Meter City –
Hi Michal. Thank you – we really appreciate this! We hope you will continue to enjoy your new Stages Shimano Ultegra R8000 Power Meter – good luck on your future rides! We are here if there is anything else we can do!
RannieDV (verified owner) –
This is my second PM, the first one being the 1st gen CycleOps wireless hub which I still have since circa 2008. But I have to say which impressed me the most is the lightning fast shipping! I ordered late Friday, got an email a few hours later that it had shipped. Being the weekend, I thought I’ll get it, maybe middle of the following week, but no, I got the PM that Monday! Keep up the good work, its small stuff like this that keeps customers happy and coming back!!!
Power Meter City –
Hi Rannie. Thanks for this kind review on your Stages Shimano Ultegra R8000 Power Meter. Congrats on your 2nd PM BTW! We hope you continue to enjoy them and please let us know if there is anything else we can do!