I've a friend who is getting into indoor cycling - I have given him my old fluid trainer and he has a bluetooth speed/cadence sensor. He is looking for something that will show the 'speed' based on the rear wheel as it rotates, and cadence.
Has anyone come across a good headunit app for iPhone which would display these outputs for his workouts, and allow him to save his sessions on Strava?
He's probably be happy with a basic headunit too, if anyone knows of a good affordable one.
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