Originally Posted by
unknownn
How can I determine wether or not my chain size is 1/8 or 3/32?
My bike is running stock Lasco 170mm crankset and I need to know what size rear cog to buy on my new wheelset..
The simplest approach is to buy a 3/32" thick cog, and it will work with either a 3/32" or 1/8" wide chain. You can run a 3/32" cog with a 1/8" chain, but you can't run a 1/8" cog with a 3/32" chain.
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