Crivit Pro Bike Assistant!

Bluetooth Low Energy Speed and Cadence Sensor- Turns your smartphone into a cycling computer- Speed and cadence measuring for more efficient training (currently + ) with free app*- Training archive for easy access to historical data- Wireless, energy-saving data transmission to the smartphone*iOS version 7.0 and upRequires Bluetooth Smart Ready compatible smartphone. (Experience at www.bluetooth.com/Pages/Bluetooth-Smart-Devices-List.aspx).