Garmin Replacement Soft Strap with Electrodes. The strap is for your premium heart rate monitor. Features of Garmin Soft Strap with Electrodes: Compatible with: Edge 305 Edge 500 Edge 510 Edge 800 Edge 810 Forerunner 110 Forerunner 210 Forerunner 410 Forerunner 610 Forerunner 910XT Package Contents: Garmin Replacement Soft Strap with Electrodes Garmin 010-11254-02: Replacement Soft Strap with Electrodes Garmin 010-11254-02: Replacement Soft Strap with Electrodes