death-by-lulz:
what?The wheels take impact and stress off your legs, and the position helps your spine, but you’re still doing running motions instead of biking motions, so your legs are getting a good workout, and you can go for longer
what?
The wheels take impact and stress off your legs, and the position helps your spine, but you’re still doing running motions instead of biking motions, so your legs are getting a good workout, and you can go for longer
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