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It should be good for your heart (and maybe body-weight) at least. When I started commuting that distance (18 km. each way) I bought a better bike (i.e. $700 new instead of $200 new, with extra-go...
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It should be good for your heart (and maybe body-weight) at least. When I started commuting that distance (18 km. each way) I bought a better bike (i.e. $700 new instead of $200 new, with extra-go...