Aluminum reduced suspension owner for the REAR of the front suspension. Redesigned combined with HS bulkheads for an expanded array of set-up corrections. The downward orientation associated with the suspension system owner can be used primarily for Dirt songs. The upward orientation of this suspension system holder can be used mainly for Carpet songs. The suspension system holders enable usage of the long or standard suspension system arm configurations. Machined from premium Swiss 7075 T6 aluminum and black colored coated. Fits XB4'21