Look at the cog and read it.
If it doesn't says anything, take it to a bicycle shop and ask them.
Also, you don't need to run a 9 speed chain specifically, just get any old 3 3/2 or 1 1/8 chain, the latter will fit, but advisable to use the 3 3/2 one.
@edscoble started
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Look at the cog and read it.
If it doesn't says anything, take it to a bicycle shop and ask them.
Also, you don't need to run a 9 speed chain specifically, just get any old 3 3/2 or 1 1/8 chain, the latter will fit, but advisable to use the 3 3/2 one.