I have a 10sp 53/39 set of SRAM Red "X Glide" rings. Definitely used, but I don't believe anywhere near worn out. No damage, either, though there is cosmetic scuffing, etc. Took them off my TT bike when I moved to 55/42 for TT.

I'm not sure I have any bolts. I'll scrounge. But you should be able to get bolts at any bike shop cheap.

Thinking around $30 shipped. Let me know if you want pictures or anything.

Sounds good can you email epreble@udel.edu for details

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I LIKE TURTLES!