You hit 140 in traffic? Wow. Resting HR is tricky - I wouldn't consider myself a gym rat but I do run a few times per week and I ride my bike for fitness so I

You hit 140 in traffic? Wow. Resting HR is tricky - I wouldn't consider myself a gym rat but I do run a few times per week and I ride my bike for fitness so I spend far longer than 1 hr above 150 per week. My resting HR is low 40's. I might hit 65 in traffic.... Cool stuff though. Eager to try it.