eggy1two

i brought a second hand onza t-bird of my mate. but the rear wheel is buckle like hell, i am goin to change it but i only have spare wheels with 10mm axels .but i have noticed that the one that is on there at the moment has a 14mm atachment on it which scews on .but there is another problem, the axel has been smash agianst concrete and the thread has been destoyed so i am goin to have to buy a new 14 mm atachement thing .DOES ANY ONE NOW WHAT THE HEL THYE ARE CALLED AND DO U NOW AN ONLINE SHOP TO GET THEM FROM. thanks for any help