Probably a long shot, but I have a MTB with a Quarq spider power meter. After the last firmware update for the Epix, I cannot record a ride on my Garmin watch or broadcast the heart rate from my gamrin watch to my bike computer. If I do, my cadence and power drop out, intermittently. After assuming the power meter was bad (and ordering a new one), I rode one of my other bikes today with the same setup, and again on that bike the cadence and power dropped regularly. After my mini meltdown, if I turn the activity off on the watch (or the heartrate broadcast) everything is normal. Has anyone run into this? My bike computer is a Bryton Rider 320, which has been flawless until the last Garmin watch firmware update. Thanks in advance for any information that anyone may have.