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Code: STA90110
Stages Power Meter - Shimano 1050 5800 G2
The 105 (FC-5800) Stages Power meter replaces the non-drive crank arm for existing 105 model cranks. Riders looking to add power to their existing crank need only select crank length. The Stages Power meter for 105 fits all styles of 105 crankset, including: compact and standard. Standard and black finishes are available.
 
Spec:
  • Accuracy: ± 2%
  • Weight: Only adds 20gr to base crank arm
  • Battery Life: 200+ hours (coin cell: CR2032)
  • Power range (Watts): 0 to 2500
  • Cadence range (rpm): 20-220
  • Water resistance rating: IPX7
  • Frame Compatibility: Most frames, see fit guide in our Support section
  • Crank Compatibility: All Shimano Hollowtech II road cranks
  • Device Compatibility: ANT+, Bluetooth Smart Ready
  • Software Compatibiity: Training Peaks, Strava, Garmin Training Center and others
Expensive toy but you can't have enough toys...so far so good dead easy to fit .... paired with my garmin 510 first time .... calibration/zero proceedure was easy aswell ..... only used it on zwift at the moment but every thing seems to be doing what it should.... ps merlin service and price excellent as usual.
Only used it a few times thus far but loving having a power meter. Good to know what your strength balance is from a Wattbike etc though so you can calibrate it mentally. Even so, was a bargain and great service from Merlin.
Great power meter, easy to fit, paired easily, calibration simple. If you're looking to buy a power meter then this is it. Speedy service from Merlin.
Finally took the plunge and bought into power metrics, this item was easy to fit and sync with my Garmin 500 and now I have even more data to pore over and try to fathom where I can improve.
Very happy with the Stages power meter. It was simple to install: just replace the old crank arm, put the pedal back on, and you're ready to go. That simple. The device paired with my Garmin without any hassle. After two weeks, I've had no technical issues with it. What will probably take longer is learning how to use it properly, because it turns out a ton of stats. But it appears my pedaling has already become smoother - after just those two weeks - and I'm working through how to use the information for my winter training programme. This is an expensive piece of kit, but I'm happy to recommend it to anyone who's serious about their bike training. It's a revelation (and humbling) to find out what pro-level outputs like 440 watts feel like!
New power meter linked with Garmin 500 no issues, quick and simple. It's been flawless in every way, i.e. no dropped signals, reliable power, quick calibration, battery lasting well, broadcasts ANT+ and Bluetooth so it works with apps like Traineroad on my iPhone/iPad, and it's relatively cheap. I don't worry too much about single sided power reading as I won't be challenging for any grand tours this season.
Great power meter, easy installation and setup.