Speed Sensor 2 | GARMIN

Monitor your speed during your cycling sessions with this easy-to-install wireless sensor. With no magnets or other parts to install, this sensor is incredibly simple to set up and maintain. You can also easily move it from one bike to another.
The Speed Sensor 2 attaches to the hub of either wheel. You can set the wheel size in our Garmin Connect™ online community or perform an auto-calibration using an Edge® bike computer or compatible Garmin device. Once configured, you'll receive accurate speed and distance data at all times, even without a head unit.
ANT+® connectivity and Bluetooth® Low Energy technology allow you to connect to Garmin Connect as well as other training apps and compatible sports devices and equipment for optimized data whether you're cycling indoors or outdoors. The odometer function records your distance to help you plan your bike maintenance.