Drive axle for XRAY adjustable drive shafts. Drive shaft size modification utilizes 4 different connecting room functions at drive axle end allowing alterations to fundamental driveshaft size. Another great innovation that accommodates different roll center jobs without the need to use drive shafts of a few lengths. Back wheel axle for big ball-bearings created from world-renowned HUDY Spring Steel™. Strategically machined for toughness and light-weight without compromising energy. The wheel axle can also be hand ground for optimum accuracy to be certain an excellent, precise effortlessly match suspension system system system system ball-bearings, guaranteeing perfect wobble-free fit and rotation. Heat handled for maximum energy, durability, minimal use, and extra-long lifespan.