brakemeister

I would use a Big Apple on the trailer bike. For low rolling resistance but more important for nice cushy ride .... than get a racer with kevlar bead to fold up..... Or actually what I would do I would carefully figure 8 the exisitng tire and than twist it.. its a little bigger than a kevlar bead tire, but not by much ( you can always put something in the middle , like a camera for example or small tool kit, couple tubes ...)

thor