I became a fixie convert last winter, my first in
Vermont and the longest of any area Ive lived in.
Because I could not keep up with the salt and slush that were ruining
my junk geared bikes got me thinking about it, and then actually
doing it sealed the deal. I cant elaborate any further here but you
do have waaay more control in slippery conditions by being directly
linked to the wheel instead of relying on a mechanical third party that
might be affected adversly by the afformentioned undesrable elements.
I wouldnt go slick, but contrary to popular belief a skinny tire works better
in the snow for me. A 28 with Cyclo-X tread I think would be ideal.
That being said, I am not using my fixed this winter because even though it
was bought in the winter as a beater I have fallen in love with it and cant
stand to see its premature aging vis-a-vis icky road chunder !!
I will be splitting hairs and using a S.S. hub braked single speed after the
first snow. Opinions vary wildly and often get ugly. This is my opinion for what
its worth