Legend AIR Suspensions systems sets the high mark in ultimate ride quality. Easy installation and alignment, provided by spherical bearings on both top and bottom mounting points. Six external knob adjustments allow fine-tuning of rebound utilizing needle valve technology. Provides optimum rebound performance for any given rider weight, personal ride quality preference, or personal riding style. Light to heavy riders can fine-tune ride preference. Aggressive to casual riding styles can tune to desired quality or personal preference. Exclusive Aramid Fiber air spring technology provides spring rate adjustability. Air spring maximizes wheel travel and adjusts to any desired ride height. Type III hard-coat black anodized machined aluminum bodies. Low friction sealing system and sliding bearings for improved performance and feel. High flow piston reacts quickly for improved fluid flow management. Deflective disc valving self-adjusts to frequency and ensures controlled performance. Internal floating nitrogen piston ensures consistent damping performance. Rider experiences a plush compliant ride with higher bottoming resistance. Easy installation – shock mounts under the seat, replacing stock shock. Includes prewired air compressor with model specific mounting. Complete wire harness installs with three easy Deutsch connections. Includes OEM-looking black handlebar mounted control for easy "on-the-go" adjustability. Optional chrome handlebar mounted control sold separately (Part # 0616-0207). Made by hand in Sturgis, South Dakota, USA. P65 WARNING: Cancer and Reproductive Harm.