heres what looks to be the same suspension mario posted, not sure how much cheaper it is than the euro price:
http://www.ebay.com/itm/1-14-RC-car-...item2a2535c016
not that it helps for your wedico,
looks like a scale version of mack "camelback" suspension, from the leafs being upside down. rides like its on square wheels, but you'll blow the tires before the suspension sags!