Entertaining video. But have you ever noticed how the non-metallic coating on a quality U-lock is way thicker than it needs to be just to prevent it from scratching your bike? That's right - it's insulation! So now let's return to the real world and see the same test with a quality, insulated U-lock that's hanging off a bike rather than laying flat, backed by a steel table - oh, and perhaps with no video breaks so we can see how much compressed air and how much time it actually takes.
Originally Posted by
rekmeyata
Actually the best way to freeze a lock is with a large can of compressed air which does not contain liquid nitrogen. Turn the can upside down and spray the liquid...
Air doesn't contain nitrogen?