Bontrager DuoTrap is the integrated sensor that wirelessly transmits ANT+ and Bluetooth Smart signals to your computer or phone. The easy-to-use sensor installs in seconds and fits directly into the chainstay of select Trek bicycles for a clean look and preserved aerodynamics.
ANT+ 2.4 GHz and Bluetooth Smart wireless digital speed and cadence sensor
ANT+ and Bluetooth Smart allow simultaneous use of Trip 300 and smartphone
For use with all ANT+ and Bluetooth Smart wireless technology enabled devices
Includes Bontrager wheel magnet, crank cadence band, and CR2032 battery
Visit thisisant.com for a complete list of compatible devices
Visit bluetooth.com for a complete list of compatible devices