Another thing you can do to use the honda 50 is get a 20 X 3 rim, unlace the 20 X 4.25 rim. lace the 20 X 3 rim onto your hub and put a 20 x 3 slim cat tire on your bike. now you have your chain clearance. The 20 x 3 tire is still wide enough.



This guy sells a friction kit for your spoiler
Motorized bicycles, various bike motors, electric bikes or TLE 43 bicycle engines for Dahon folding motorized bikes and tricycles.

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What if all the rulers are wrong?