RWD 13.5" RS-1 Adjustable M-Eight Softail Suspension 2018-2025Two legends in the offroad racing world, Russ Wernimont and Walker Evans have come together to design and manufacture the new RWD RS 1 Monoshocks for Softail. With decades of racing technology between these two, the Harley world finally has a performance shock that truly outperforms any suspension on the market today. These shocks are built here in the USA in Southern California. Black anodized aluminum shock body and remote mount reservoir 5 8"