Bontrager DuoTrap Digital Speed/Cadence Sensor Bottle Cages crank cadence band and CR2032

crank cadence band and CR2032 battery

And even place for a rear light on the back to make sure you and your saddlebag are seen in the dark

9 and 10-speed compatible

148x12 thru axle Hub front Bontrager Paradigm Comp 25

It is fitted with straight pull spokes for increased strength and stiffness

Bontrager DuoTrap Digital Speed/Cadence Sensor Bottle Cages crank cadence band and CR2032Spot 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