Wahoo RPM Cycling Cadence Sensor

WARNING
This product Contains a Button/Coin Battery.  A lithium battery can cause severe or fatal injuries in 2 hours or less if it is wallowed or placed inside any part of the body.  Keep batteries out of reach of children.  If you think batteries may have been swallowed or placed inside any part of the body, seek immediate medical attention.

The Wahoo RPM cadence sensor is your sleek little solution for measuring cycling cadence data. It is wireless, magnet-less, lightweight, and easily mounts to your bike's crank arm or to your shoe. Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and GPS bike computers. Collecting cadence data has never been this easy.