CDS Cycle - bike shop - Bontrager integrated speed & cadence sensor for Trek bikes. Bluetooth and Ant+ compatible DuoTrap S - 3,000 SRP PM us for discount and delivery options | Facebook
Bontrager DuoTrap S Digital Sensor - Trek Bicycle Store | Racine, WI
BONTRAGER DUOTRAP - Escuela La Bicicleta
A look at the Trek/Bontrager frame integrated DuoTrap ANT+ Speed/Cadence Sensor | DC Rainmaker
Sean's Blog: Bontrager Trip 300 and Duo Trap S on Trek 7.2 FX Review