This is an optional XRAY "Hard" Composite Upright Rear. This super-compact rear upright is made from HARD super-tough, high-tech composite material, and features 7 upper roll center positions. The rear uprights feature 0° toe to ensure stability and to prevent suspension geometry changes in hard crashes. It also features a hole for the set screw that secures the pivot pin in place.
This rear upright – molded from HARD composite – is suitable for most track conditions, especially medium- and high-traction tracks.
This product was added to our catalog on April 6, 2018