I might suggest to be prepared for a flat or link breakage......
Extra link....Do not use plastic tire levers, etc......
In VT they used huge HUGE cinders in the salt that would cause the
most unusual damage and get caught in the strangest places. But, try to
keep extra warming items and a few rubber gloves for use while repairing.
A flat in the winter might add 1/2 an hour to your ride so its important
you are prepared to stay warm enuff, especially fingers !
The worst scares I ever had in VT was unexpected temp drops or time on
the road due to weather and not being able to feel hands or toes with
4 miles left to go