Bryton Bike Speed/Cadence Combo Sensor ANT+

Bryton's ANT+ Combo sensor is a speed/cadence sensor in one. It includes a crank arm magnet, wheel magnet and the zip ties to fit most chain firmly. It wirelessly transmits your speed and cadence data to a variety of ANT+ enabled receiving devices, including Bryton Rider 60, 50, 40, 35, 30, 21, 20+, 20, Cardio 60, and Amis S630 (sold separately). Simply fasten the sensor on the chain and magnet on spoke or crank arm, and then you are ready Go!