Suspension supply is molded from medium hardness composite combination to boost dependability and strength. The medium composite provides exemplary performance on a variety of conditions because of the added benefit of increased power. Straight back suspension system supply accommodates the multi-adjustable uprights. The outside pivot of each and every supply utilizes little screws to secure the hinge pins and stop separation in a collision. This drifting hinge pin decreases suspension bind. There are three different suspension system system hands available: moderate, hard and graphite, each appropriate various track conditions.