the chain needs to be at least as wide as the cog. 1/8" chain will work with both 1/8" and 3/32" cog. 3/32" chain will only work with 3/32" cog, not 1/8" cog.
@mattty started
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the chain needs to be at least as wide as the cog. 1/8" chain will work with both 1/8" and 3/32" cog. 3/32" chain will only work with 3/32" cog, not 1/8" cog.