This in-depth post with comparative chart and video reviews provides all the info you need to choose between the Garmin Edge 530 vs 830.
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Edge 530 Review VS Edge 830 - which should you buy?
Edge 530 Review VS Edge 830 - which should you buy?
Garmin Edge 530 vs. 830: Which One Should You Buy?
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Garmin Edge 530 vs. 830: Which One Should You Buy?
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