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Amazon.com: Thinvik Egde Out Front Bike Computer Mount for Garmin Edge830 820 810 800 530 520 Plus 520 510 500 200 25 Touring and Touring Plus Compatible with 31.8mm 25.4mm Handlebar (Basic - Printed Logo)… : Electronics
6 Differences between the Garmin Edge 820 and 520 Bike Computers