i live in southeast PA. we rarely get snow anymore, when we do its either so little that a regular MTB is fine, or so much that not even a fat bike will work. we still get some pretty good cold snaps, just without the snow. i think the coldest i've ridden here is in the 0-5F range, before accounting for windchill. its honestly not bad, it really is just matter of proper layering and keeping skin covered once its that cold. bonus is that i rarely encounter anyone else out in those temps.What kind of riding do you do at 10F that needs a dropper? Aren't most places pretty covered in snow by that point? I kinda get bundling up on my road bike just to feel tires rolling when it's in the 30's, but past that it just seems like kind of a bummer. 10f sounds gnarly. Fatbiking?