Bontrager DuoTrap S 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.
DuoTrap S is compatible with both Bluetooth Smart and ANT+ devices for easy connectivity between your smartphone and standard cycling computer.
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Only Bike & Frameset : Weights are based off pre-production products at time of publication. Weights may vary in final production.