Kevin C.wrote a review of Stages Cycling Shimano Ultegra 6800 Single Leg Power Meter Crank Arm on August 6, 2017
Familiarity: I've used it once or twice and have initial impressions
I don't like sensors on my bike, but I wanted power. This is the ultimate incognito way to get that at a reasonable price (without replacing my new Vision 40s). Easy to install, painless to operate, reliable data delivery.