Legend LEG-1310-2250 REVO-A Series 13" Adjustable Heavy Duty Rear Shock Absorbers Black for Harley-Davidson Softail 18-24Features 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 setup also allows for minimal pre load adjustment when changing between riders weights and loads Legends 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