I've owned a fat bike for 3 years, and for 3 years I've though about selling it. There are a couple of days a year where it is really useful, but even then my bike with 700x35 studs will get by. The fat bike is just more fun and sure-footed on those days. The rest of the time, I only ride it just to say I did, or for a good laugh. It takes up a lot of space and consumes a lot of maintenance time for the very few miles it sees.
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Good night...and good luck