Originally Posted by
tractorlegs
I voted "other" - I like my city bike fine for commuting, so I don't think I would upgrade or replace it. What I would do is get a cargo bike, specifically the Trek Transport (not the electric). I've been thinking about that for longer than a year. I could ride to the pet store and get a 50 pound bag of dog food to bring home!
If you added the right rear rack (something rated for that much weight) to your existing bike couldn't you drape it over the rack and bungee it down?