i would say its the wishbone,i lost my orion in the snow and did the same thing,instead of changing any part as that was too much hassle me and my pal jacked it out with a porta power and a sledgehammer,worked mint!i have 6 cossie lattice wheels for sale,2 are mint,2 are good,2 are ropey but would be good for spares,sell complete or sell singles,will post,pm me if you need 1!