A folding e-bike changes the math on wet-weather commuting. Instead of locking a full-size bike to a rack in the rain, you ride to the platform, fold, and step under cover with the bike beside you. That advantage disappears quickly, though, if your gear is built for a sunny weekend rather than a gray Tuesday morning. Seasonal wet-weather gear for folding e-bike commuters has to solve two problems at once: keeping the rider comfortable and visible, and keeping a compact machine with hinges, cables, and exposed contacts functioning after repeated soakings. The good news is that you do not need a separate wardrobe for every month. A small, deliberate kit…