DC Rainmaker - It's out - the Garmin Edge 1030! From popularity routing, to rider to rider messaging, to an extra battery pack - it's all here. My in-depth review: https://www.dcrainmaker.com/2017/08/garmin-edge-1030-in-depth-review.html
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361-00105-00 For Garmin Edge 1030 Bicycle Speed Meter High Quality Replacement Battery 1900mah + Free Tools - Mobile Phone Batteries - AliExpress