Thanks aweatherall. I’ve seen confusing posts that reported messed up ride uploads, so I wanted to just get rid of it. For now, I’ve just removed the whole thing.
I know this is from 3 yrs ago BUT...doing a static bike ride on 24in wheel shopper bike on a set of rollers and struggling to pair Garmin bike sensor (GSC 10 - new correct battery fitted ) with an Edge 1030 which I see you say is possible - on the garmin site you can calibrate the speed sensor 2 for a 24 in wheel but my sturmey archer gears are 63mm dia and speed / distance would be way out. Not bothered about cadence. Tried selecting 'all sensors' and also 'speed and cadence' without luck - reset red followed by green ( so battery works ) and spinning the cranks while trying to pair - nothing! HELP if possible