I’ve had this problem twice this year. It is scary. I was riding down the hill leaving the neighborhood and had to stop for a school bus. I couldn’t squeeze the brake lever. Then WHAM! It broke free and locked up the rear wheel. I had a difficult time getting the thing to unlock. Both times it happened was after 3-4 days of rain and then temps < 20f.

I can’t figure out if it is the post the brake mounts to or the cable. It happened last week and I did nothing about it. Got on the bike this Monday (10f) after letting it sit in the garage all weekend and it was fine. This makes me thing it is the posts. If it was the cable it doesn’t seem it would evaporate that fast.

If it is the posts, I was thinking of getting some of that spray lock deicer.

Can’t believe the ‘fixies’ aren’t all over this thread telling us we don’t need brakes/cables and such