-21C today, and the #Ebike battery wouldn't click into place. I had to resort to package tape
#Minneapolis MN USA roads are now fine for studded tires. In fact, it's so early in the winter that there aren't 5cm potholes in the ice everywhere (yet)
For -20C, I wear a Buff (scarf), a 3M Aura valved N95 mask, a snowboarding helmet and goggles.

