Originally Posted by
Bezalel
Look carefully it's a different tray design. The tray closest to the bumper holds the rear wheel at the edge of the bus so it can be flexible as to the location of the front wheel. The other two trays hold the front wheel at the edge so they lack that flexibility.
Oh, I see. Yes, they are different although I'm not sure if it's for the reason you suggest.
On the other hand, it might be...
