Garmin Bike Speed Sensor 2 and Cadence Sensor 2 Model #: GAR-010-12845-00Discontinued and replaced with 010 12845 30 Garmin Bike Speed Sensor 2 and Cadence Sensor 2 Model #: GAR 010 12845 00 Monitor your speed and cadence as you ride with these easy to install wireless sensors. With no magnets or other exposed parts to line up, these sensors are easy to install, maintain and move between bikes. The speed sensor 2 attaches to the hub of either wheel and self calibrates with your Edge cycling computer or compatible Garmin