A double works just fine. A guard on the outside ring, a chain ring in the middle and a keeper on the seatstay. If anyone one needs a guard I have a few sitting in my parts bins. They are 130 BCD and for a 42 tooth ring. PM me.
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I'm not one for fawning over bicycles, but I do believe that our bikes communicate with us, and what this bike is saying is, "You're an idiot." BikeSnobNYC