Canadian Tire called me back 2 weeks after I told them about this issue. We were at a friend's place and I got a message that I could go to the Bay and Dundas Canadian Tire and pick up a new trailer. Awesome! Instead of getting the same trailer, I paid $56.50 to upgrade to the Untra bike trailer with 20inch wheels. Now David and I could carry the same sized spare for our trailers and I hoped CCM had thought a little harder about fastening metals.
After lengthy research we present, with pride the three contestants for David and Hannah's trailers to be, they are;