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.

Product details

1. ANT+ 2.4 GHz and Bluetooth® Smart wireless digital speed and cadence sensor
2. ANT+ and Bluetooth® Smart allow simultaneous use of Trip 300 and smartphone
3. For use with all ANT+ and Bluetooth® Smart wireless technology enabled devices
4. Includes Bontrager wheel magnet, crank cadence band, and CR2032 battery
5. Visit thisisant.com for a complete list of compatible devices
6. Visit bluetooth.com for a complete list of compatible devices