Stages FSA SL-K BB30 Power Meter
February 24, 2023$559.99
Award winning Stages power for FSA and Vision BB30 cranks
Stages FSA SL-K BB30 Power Meter
The Stages FSA SL-K BB30 Power Meter comes ride ready and features +/- 1.5% accuracy and 200 hours of battery life. Stages power meters run off the popular CR2032 battery and include tool free battery replacement. In addition, it is extremely lightweight – adding only 15 grams to the weight of the crank arm. The power meter is 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 new Stages Generation 3 power meter 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 and have an LED indicator light on the housing for improved ease of use.
Key Product Details
Compatibility:
This power meter is compatible with FSA and Vision BB30 cranksets. While this crank arm is carbon, it can be used on both carbon and aluminum cranksets.
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 are affordable and easy to install. However, they only measure left leg power compared to some other power meters that measure power from both legs (those versions usually cost more however). Also, while this carbon power meter can be used on aluminum cranksets, some customers don’t like to mix and match crankset materials (aluminum crank and carbon power meter).
Options For This Power Meter
Crank arm lengths: This power meter is available in the following crank arm lengths:
- 170 mm | 172.5 mm | 175 mm
Compatibility
Crankset: This power meter is compatible with FSA and Vision BB30 cranksets.
Please note - this power meter is not compatible with:
- FSA cranks with a pinch-bolt style interface
- BB386EVO cranks
- FSA triple chainring cranks
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 FSA SL-K BB30 Specs
| Name | Stages FSA SL-K BB30 |
| 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 | Carbon |
| 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.
- 10 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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Scott (verified owner) –
I originally picked the wrong power meter for my bike. The staff was great at issuing an RMA and helping me get the correct meter. I have been riding with it for the past couple of weeks and everything is working great. Thanks to the staff for putting me on the right track
Power Meter City –
Glad we could, Scott! We hope you will enjoy your Stages FSA power meter and if there is anything else we can do, please let us know! Ride safe!
Steve R (verified owner) –
Finally had the opportunity to ride with the power meter. The meter works great ! I just have to train myself to fully take advantage of the information !! Easy install and set up, works great with the Garmin 530 !
Power Meter City –
Hi Steve. Good luck on your rides! Hope you will continue enjoy them! Let us know if there is anything else we can do!
Michele (verified owner) –
So very pleased with this purchase. Power Meter City made the leap into power fast and easy. Highly recommend the plunge!
Power Meter City –
Hi Michele. We’re glad to hear you are enjoying the Stages FSA SL-K! Keep up the good work!