NEWBIE!!! I'm looking to get a bike that I can take my 1.5 year old on. I have a Tero 3.0 already on hold but started thinking maybe the Levo or Tero 5.0. Biggest question, can I attach the Thule Rear seat to Levo (ALUM) and Tero 5.0? If yes, which should I go for? Trail rides and city...