RETAIL Bryton Rider S500 T Bike Computer GPS Touchscreen HRM Speed Cadence | eBay
Bryton Rider 420T GPS Cycling Bike Computer (Cadence+HRM sensors Bundle), 35hrs Long Battery Life, Bread-Crumb Trail with Turn-by Turn Follow Track. 5 Satellites Systems Support for Extreme Accuracy.
Bryton Smart Heart Rate Monitor Dual Sensor Speed Cadence Built in Bluetooth 4.0 & ANT+|Bicycle Computer| - AliExpress