You might have some moisture freeze where slush is thrown up on places like that little plastic thingy under the bottom bracket. But a tug on your shifter should solve that. Other than that, as long as no moisture gets into your cable housing, you should do fine.

Road salt causes corrosion, when you get home, wash your bike down with fresh water. I would only do this with a frame that has had frame saver applied. If you have rims with a hollow section, there will be salt in there too.

A light sleeping bag like a 40 degree down bag inside your regular bag may help instead of buying a new warmer bag - if there is room for it. I did that for a few winter camping trips until I could afford to buy my 40 degree below zero bag. Try it outside one night at home first to make sure it works for you.

Use a vapor barrier liner if you are going for 5 or more days. Your body gives off moisture, that moisture starts to pass thru the bag to the outside - but some of that moisture will freeze onto your sleeping bag insulation. Steger and Schurke when they went to the North Pole had some sleeping bags that accumulated many many pounds of moisture in the insulation, more than half of the weight of the bag was water. A few days, no problem but my experience was that after 5 days my bag had a lot of ice crystals in it. That is why I say use a VBL if the trip is 5 or more days.

If there is any chance your cycling water bottle may leak, do not bring it in your bag. Better to melt new snow the next morning - or invest in a reliable non-leaker.

The thermos in my water bottle cage was too small to fit in the cage well, but one of those neoprene soda can holders made it fit my water bottle cage perfectly. See photo. It was not winter, the thermos was for my coffee in the morning.



If you have studded tires, they are slow. If not studded, good luck.

The day will be very short. If there is snow or slush, that will slow things down too. Only you will be able to determine how many miles you can do, but if it was me I would assume half the miles that I would accomplish in summer. It may be prudent to carry extra food in case you get stuck for a few extra days. You will burn thru a lot of calories so bring plenty of high calorie foods.

Will a weather band radio work where you are going? Once you are stuck out there, it might not tell you anything that you do not already know. But, if a storm is a couple days away, that may be nice to know.

Matchka had a good point on working on a cold bike. See if you can find some nitrile work gloves that are big enough that you can put some wool or polartech gloves inside them. If you have to repair anything, you may want some waterproof gloves that have some insulation inside them. I used to have a pair of neoprene work gloves that were loose enough that I could fit wool gloves in them, they came in handy for cold weather camping around the kitchen when I might get my hands wet while cooking. Not very good for dexterity, but working on cold metal that is grimy and greasy when it is below freezing is not fun. You might try changing a rear tube at home to see how it goes before you start your trip.

Many years ago, one time repairing my motorcycle in winter, I set up my camp stove and every few minutes would thaw out my hands over my stove so that I could get back to repairing my motorcycle with hands that worked.