wahoo rpm speed sensor

Wireless Bluetooth and ANT+ Cycling Speed SensorThe Wahoo RPM speed sensor is the sleek, magnet-less solution for capturing cycling speed data. It easily mounts to your bike's front wheel hub, and the Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and bike computers. Tracking speed data has never been this easy.FEATURESDUAL BAND TECHNOLOGYBoth ANT+ and Bluetooth Smart capabilities allow for a wireless connection to both smartphones and bike computers.WIRELESS CONNECTIONNo tangled wires on your bike to connect the sensor to your device.MAGNETLESSThe RPM speed installs easily with no magnets requiredSLEEK, LIGHTWEIGHT DESIGNIt only weighs 16.5 grams with the mount includedSPEED MEASUREMENTProvides accurate speed data during your rideHUB MOUNTMounts on most front wheel hub with a secure silicon casingVISIBLE CONNECTIONTwo LED lights show the sensor's device connection (blue) and speed detection (red)REPLACEABLE BATTERYNo charging required! Operates on a coin cell battery for up to 1 years.UNIVERSAL FITRPM Speed will fit with most bikes and frame sizes