Garmin's speed sensor requires no magnets or other parts to install, making it incredibly easy to set up and maintain. You can also easily move it from one bike to another.
The Speed Sensor 2 attaches to a wheel hub. You can specify the wheel size in our online community. Garmin Connect or automatically calibrate it using an Edge cycling computer or a compatible Garmin device. Once the size is set, your speeds and distances will be accurate at all times — even without a primary unit.
ANT+® connectivity and BLUETOOTH® Low Energy technology let you sync with Garmin Connect and other training apps, compatible devices, and fitness equipment for better data when you ride indoors or outdoors. The odometer function tracks your distance to help you plan your bike maintenance.