Garmin HRM-Dual Heart Rate Monitor $43 at Amazon $43 $70 Amazon has the Garmin HRM-Dual Heart Rate Monitor (Black, 010-12883-00) for $43 with free shipping. Has a soft strap and has a bettery life up to 3.5 years. $43 retail: $70 Posted by DrBatman09/22/2024 at 10:39 PM PT