Lightweight and strong straight back axle construction for XRAY XII features a super-light and tough graphite shaft that's particularly machined for perfect security and smoothness. The threaded shaft is especially embedded eventually associated with graphite axle. The CNC-machined aluminum mounting dinner is precision-pressed regarding axle which will be aligned and pinned to position it sturdily and totally constantly set up. The complete installation is wholly balanced with zero run-out for vibration-free operation.