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@Fatbiker
For another project I bought these Middleburn RS1 cranks. They have a 130mm road spider fitted. Seeing as these are early 1990's cranks, I am guessing they were meant to be used with a double chainring setup. What I don't understand is why there isn't a raised edge for the big ring, like there is for the small one on the back. Or should the spider go on the other way around (this would suggest not)? Or could this be for a single chainring only?
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