Axial UTB18 Capra Assembled Steering Axle. This is an optional steering axle intended for the Axial UTB18 Capra rock crawler. This steering axle gives you the ability to replace your stock rear axle and add rear steering capability. Adding rear steering to your Capra gives you the ultimate maneuverability advantage and adds the capability to tackle the most extreme obstacles. Completing this modification will require upgrading to a 3-channel radio system and steering servo along with replacing the stock 2-in-1 receiver/ESC. Package includes one pre-assembled steering axle with mounting hardware.