Hello,
I have a garmin 210 today.
Do you think the Heart Rate Monitor is compatible with the Forerunner 235?
It's the following priduct : http://www.amazon.com/Garmin-Premium-Monitor-Shipping-Worldwide/dp/B00D766D5A/ref=sr_1_1?s=gps&ie=UTF8&qid=1449337876&sr=8-1&keywords=garmin+hrm2+ss
Thank
Lionel