4" wheel and rear sprocket help and questions...

#1
i'm putting together a fox sprite for my son. i want to put 4 inch wheels on it. i'm kind of having a hard time finding ones that i like. i=these ones at OMBw are decent. however, i'm not quite sure which sprocket and spacers, etc i would need to match with the wheels.

the wheels.....
https://www.OldMiniBikes.com/4-AZUSALite-Wheel.html

ultimately i would love to get some vintage 4" lil indian rims. those little 4 spoke ones. i thought abut picking up that set in the classified section. the price was a little rich for me though.

thank you for any assistance. and my son will thank you too.
 
#3
couple of silly reasons. i bought an old bird duck awhile ago and in the package came some brand new 4" tires and tubes. i always liked the look of the smaller wheels. and, i want the bike to have as low as a profile is i can safely get as my son is only 6 and not too tall. i realize i could keep the same outer diameter of the entire wheel with a 5 or 6 inch and play around with tire sizes.

just wondering if i could find a nice set of 4 inches and a sprocket to go along with them.

thank you
 
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