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j_p_
I'm planning a gravel trip to the Sierra Nevada in May and am starting to think about gearing and could do with some advice.
My current setup is GRX 812, so 1x, running 42t front and 11-42t at the back. I want to go smaller, ideally 38t front and 11-46t at the back. Is that possible or beyond what the RD can handle? If so, what are my (cheapest) options?