The ring was a wide one to take a 1/8" chain for a single speed/hub gear bike so the 3/32" derailleur type chain wouldn't fit on it properly. He's ground the chainring thinner to suit the chain. I don't know whether that will cause any isses but hopefully it'll do the job until it next wears out and can be replaced with the appropriate one.
The ring was a wide one to take a 1/8" chain for a single speed/hub gear bike so the 3/32" derailleur type chain wouldn't fit on it properly. He's ground the chainring thinner to suit the chain. I don't know whether that will cause any isses but hopefully it'll do the job until it next wears out and can be replaced with the appropriate one.
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