Magnet-less Cycling speed sensor with dual ANT+/BLE technology. Magnet-less Cycling cadence sensor with dual ANT+/BLE technology. Magnet-less Cycling Speed/Cadence sensor with dual ANT+/BLE technology. Hassle free - Once the heart rate monitor is paired with your devices for the first time, it will automatically recognize it each time. Compatible with all Bryton "Rider" series devices. Built for you to easily attach your Bryton Riders cycling computer to the bike's handlebar or stem to collect workout data during cycling.