Remove Garmin pod and attach to Polar Wearlink strap was old solution, the Wearlink + strap apparently has some plastic added to try and stop it being used with garmin pods but can be trimmed to fit.
This. Works fine and hasn’t missed a beat (ha!...) in over a year now.
@pifko started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Remove Garmin pod and attach to Polar Wearlink strap was old solution, the Wearlink + strap apparently has some plastic added to try and stop it being used with garmin pods but can be trimmed to fit.