Legend's touring specific coil spring rates provide superior ride comfort, improved performance, and increased resistance to bottoming for all day comfort , 45 mm billet aluminum twin tube design with 25mm piston reacts quickly for improved fluid flow, Deflective disc valving self-adjusts to frequency and ensures controlled performance, Low friction sealing system and sliding bearings for improved performance and feel, Three external knob adjustments allow fine-tuning of rebound, Stainless Steel tie bar design and construction, Available only in standard length for optimum ride quality and performance, Available only in Black Type III hard coat anodize, Easy Installation and Adjustment, Sold in Pairs, Made by hand in Sturgis, SD, USA