Revo-A coil designed specifically for M-8 Softail models. Available in 12.5", 13", and 13.5", standard or heavy-duty applications. Adjustable preload for rider set up, also allows for minimal pre-load adjustment when changing between rider's weights and loads. Legend's touring specific spring rates provide superior ride comfort, improved performance, and increased resistance to bottoming for all day comfort. Features adjustable rebound damping that is specifically designed to make fast, precise, and repeatable changes to ride comfort and performance with a simple turn of a knob. Provides optimum rebound performance that can be fine-tuned for any given rider weight, personal ride preference, or personal riding style. Low friction sleeve bearings both top and bottom for ease of installation, this also allows the shock to float in its mount and avoid shock bind. Hard anodized, 46 mm billet aluminum mono tube design utilizes a lightweight high flow piston design for improved fluid flow resulting in unmatched handling and bike control. Hard chromed shaft is 14% larger for increased strength. Internal floating nitrogen piston ensures consistent damping performance. Deflective disc valving self-adjusts to frequency and ensures controlled performance. Legend's durable and low friction sealing system and sliding bearings provide improved performance and feel. Available in Black Type III hard coat anodize. Easy installation that utilizes the OEM mounting hardware. Included preload wrench makes adjusting easy. Sold as Mono Shock (1 shock only). Designed for optimum performance with the Legend Axeo front suspension. Made by hand in Sturgis, SD, USA. P65 WARNING: Cancer and Reproductive Harm.