Amazon.com: Thinvik Out Front Bike Computer Mount for Garmin Edge 830 820 810 800 530 520 Plus 520 510 500 200 130 25 GPS Compatible with 31.8mm 25.4mm Handlebar : Electronics
Amazon.com: Garmin Edge 530 Sensor Bundle, Performance GPS Cycling/Bike Computer with Mapping, Dynamic Performance Monitoring and Popularity Routing, Includes Speed and Cadence Sensor and HR Monitor : Electronics