Compact Geomagnetic Bike Speed Cadence Sensor for Garmin and For wahoo

Sensor: Geomagnetic sensor. support for garmin，for Wahoo bike computer. Maximum cadence 300rpm. 1xBike Speed Cadence Sensor. In speed mode, you need to set the wheel size to use the app. Install the battery to switch the mode speed model to the rhythm model.

eBay