Garmin 935 Wahoo Tickr Fit

Wahoo TICKR FIT Accuracy and a mystery watch

I’ve used the Wahoo TICKR-FIT optical HRM STRAP a few times but mostly for aerobic runs and really had nothing of any interest to report in terms of accuracy. All looks good so far. But today I decided to invent a test as I needed a more challenging run in any case. And this seemed…