Originally Posted by
Noonievut
Am I correct that when using this computer on the road you do NOT need the speed/cadance sensor to track speed (because this is monitored via GPS)?
If I were to use this computer on the trainer indoors, I assume the speed sensor would be needed if I wanted to track speed.
Thanks.
You are correct. I use my Garmin 500 on my bikes for commuting (on a cyclocross or a folding bike) without sensors. On my road bikes though I have sensors so it can also measure cadence. As others have noted, there might be a slight increase in speed accuracy when using sensors.