I bought this pram over a year ago and we are very happy with it. After a bad handling on our part, we damaged the rear frame and the left wheel "wiggles" a bit in all directions. Is there a way to order only the rear frame and the 2 rear wheels of the pram (as spare parts)? We really like the pram and it works very well, we would like to keep it if possible instead of buying a new one. (This one is still under warranty)