Garmin Edge 510 Performance Bundle GPS cycling computer with heart-rate monitor, cadence sensor, and USB cable at Crutchfield
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
Garmin Edge 510 GPS cycling computer
Amazon.com: Garmin Edge 510 GPS Bike Computer (Discontinued by Manufacturer) : Sports & Outdoors