Originally Posted by trons
as far as the width of the cog/chainwheel, either one will work (3/32 or 1/8) granted the chain is a 1/8 bmx chain... some say running the 1/8 chain with a 3/32 cog/chainwheel is louder, i can't tell the difference
If the only difference is a little noise, I can live with that.
I have several bmx chain lying around so I'd rather utilize those than buy a new one.