I'd also add that it's important to be careful not to torque the ring too badly. As thin as they are I've read of them breaking due to years of fatique. On the positive side, though, the small rings used on different "AR" wheels all appear to have been alike. The part number of the small ring used on different width "AR" wheels are all the same. So robbing a donor wheel would work. This is generally not the case. For instance, on other designs the ring on a 5" rim cannot be used on a 6" rim. Stu
