TagPolar M450 vs Polar V650

Polar M450 vs Polar V650

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Cycling is now become a trend among modern people. Beside it is a good sport that can be use to keep the health of the body, heart and respiratory system, it is also a good alternative to reduce the air pollution that has been a biggest issue around the world. As we know that bike didn’t need any fuel to run. It just needs us to pedal it. So, the burnt remains won’t pollute our lovely earth and...