Bontrager DuoTrap Digital Speed/Cadence Sensor Bottle Cages a good little junior bike

a good little junior bike ideal for all terrains and great fun

A 700 mm² contact area on a carbon body

Reflective elements on the back of the helmet offer enhanced visibility to be seen

LockDown dividers make helmet strap management clean and easy to adjust

entry-level road racers can enjoy the performance of a high-quality wheelset

Bontrager DuoTrap Digital Speed/Cadence Sensor Bottle Cages a good little junior bikeSpot on. Every time. 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 ANT+ 2. 4 GHz and Bluetooth Smart wireless digital speed and cadence sensor ANT+ and Bluetooth Smart allow simultaneous use of Trip 300 and