Legend Suspension - Revo-A Coil Shocks. The REVO-A coil shock system is Legends take on isolating a bike from road shocks using a conventional coil spring and shock absorber. Revo suspension achieves a softer, more compliant ride due to softer spring rates. The REVO-A line also uses coil springs that are specially wound a few inches longer than a standard spring. When compressed into the shock body, the special spring delivers a sweet spot that is noticeably larger and more usable than competitors that yields a great ride over a wide variety of road conditions. The REVO-As shock bodies are all aluminum, as well! Features: Spring rates produce superior ride quality and performance. REVO-As coils provide improved plush ride quality, control, and resistance to bottoming out. REVO-As extended coil length has a larger sweet spot without increasing the overall shock length. REVO-As unique spring rate offers ability to soften preload and/or reduce ride height while maintaining a smooth ride. Requires minimal preload adjustments when changing between rider weight or total motorcycle load. All suspension adjustments can be done by hand, no tools required. Easy installation and alignment is provided by spherical bearings on top and bottom. Six-position external knob allows for fine-tuning of rebound damping. Black bodies with black springs. All REVO-A suspension components are assembled by hand. Sold in pairs. Made in the USA.