Originally Posted by Bob Ross

...I was too warm. Thanksgiving morning it was overcast & dipped down into the high 50s, so I put on arm warmers & knee warmers.

All the locals I saw riding around me that week were dressed in winter cycling jackets and full length tights! To me, that's apparel for ~30°F weather!

Originally Posted by TuckamoreDew

That's about the temperature where I sometimes have trouble with the rear hub freezing up making it freewheel in both directions. I had that problem yesterday when it was -22F during my commute. I hadn't got around to winterizing that hub yet, as we normally don't see temperatures that cold until later in the winter. Foolish of me, really. Today I rode an old 3-speed at the same temperature. No problems.