That's great, I weigh about 200lbs (give or take some depending on what I ate that day) so I could probably expect between 18-20mph from what it sounds like using that kit you used. I am mechanically inclined, but honestly a bit lazy so something that just bolts on would really be ideal since I don't have time these days with all my schooling to do much else other then study and work and occasionally tinker with things on the weekends.
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