Originally Posted by
livedarklions
I knocked off a hilly 80 miles in 90+ degree heat twice this year, and I think my particular lung issues make cold weather cycling a bad idea. I'm betting you don't have the data to back up the first sentence of your post.
If you breathe through your nose during cold weather cycling you'll be fine. This coming from a fellow lung issue sufferer.
Though the limit of cold discussed here is a bit silly. I've found that I only need to start putting any sort of limits when the temperatures get below freezing, so 32 degrees fahrenheit. But strangely I haven't yet found a cold limit for myself. My bikes freeze before I do (most oils a greases have a low functioning limit of -40c(f)