Garmin Edge 500 & 840

First, a little bit of history&hellip; Many years ago, I tried various phone apps for recording my bike rides. Eventually, I settled on Strava. This worked great for the recording itself, but because my phone was stowed away in my saddle bag, I didn&rsquo;t get to see my current speed, etc. So, in July 2012, I splurged and got a Garmin Edge 500 cycling computer. I used the 500 until a couple of…