These Redcat factory replacement rear shocks are designed for the Ascent-18 Apex and sold as a set of two. Each shock features a coil spring over a dampened body with a knurled metal collar for preload adjustment. Ball ends at both the top and bottom mount to the suspension in the standard Ascent-18 configuration. Features: Sold as a set of two rear shocks Knurled metal preload adjustment collar Coil spring over dampened body Ball-end upper and lower mounts 7/7/26 cs