You claim no abuse, but it's certainly received some hard use. There are more scuffs, scrapes, and nicks in that section of frame than on all of my bikes combined. Still...

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The frame should have a lifetime warranty, unless you've done something to invalidate it. Definitely send the pics to RANS and try to get a warranty replacement. (Hopefully you're the first owner.) This isn't a slam-dunk, because a fellow club member had a Strat frame tube collapse in a gravelly turn, and RANS claimed it must have been caused by an accident. He had a local frame-builder fix it, but understandably isn't too happy with RANS.