Drive axle for XRAY adjustable drive shafts. Drive shaft length adjustment utilizes 4 various connecting gap roles during the drive axle end allowing modifications to overall driveshaft length. Another great innovation that accommodates different roll center positions without the need to utilize drive shafts of different lengths. Rear wheel axle for big ball-bearings made from world-renowned HUDY Spring Steel. Strategically machined for toughness and lightweight without compromising energy. The wheel axle is also hand ground for maximum accuracy to make sure an amazing, precise easily fit in suspension system ball-bearings, guaranteeing perfect wobble-free fit and rotation. Heat addressed for optimum energy, durability, minimal use, and extra-long lifespan.