I've got 6 Allied Double beadlocks. 17 x 9.5", 4.5" backspacing, 6 x 5.5" bolt pattern. (Toyota, Chevy) These are the same as Raceline RT235 Monster Forged wheels but with an inner lock ring as well. Rings have some rash but are in good shape. They never leaked down with my 39" Krawlers on them...