Garmin USA Speed Cadence Sensor Compatible with Edge 305/500/705 and Forerunner 305/405 ?Can also measure rear wheel speed for use on indoor trainer Speed/Cadence bike sensor (GSC 10). Monitor your pedaling cadence as you ride with this self-calibrating, wireless speed/cadence sensor. It measures and reports your pedaling strokes per minute, providing feedback for optimal performance. List Price: $ 0.00 Price: $ 37.98 More Products