Garmin speedcadence sensor replacement parts monitor your pedaling cadence and wheel speed as you ride you even can use it to train indoors because the sensor attaches to your rear wheel it measures and reports your pedalling strokes per minute providing feedback for optimal performance compatible products for this item are edge 500 edge 800 forerunner 305 forerunner 310xt forerunner 610 fr60 specifications 3 cable ties gsc 10 wheel sensor buy garmin speedcadence sensor replacement pa