Sprockets small sprocket idea

[customcruiser]

i was thinking about buying a 36tooth sprocket for my mb after the 44t isnt fast enuff with 50kmh being the top speed so ive bolte a 28t sprocket to my rear disc hub will post photos later...........if anyone has done this wat was the top speed uve had with the smallest possible sprocket

 

[tweakskater510]

i have a 25t on my boardtrack racer
and it takes a while to get up to speed but it was hitting 42 or...so says my gps