Legend Suspension Revo Coil Shocks For Harley Trike Features: Provide improved plush ride quality, control, and resistance to bottoming-out Extended coil length has larger sweet spot without increasing overall shock length Unique spring rate offers the ability to soften pre-load, reducing ride height and maintaining a smooth ride Allows minimal pre-load adjustments when changing between riders' weights or loads Adjusts by hand, no tools needed Easy installation and alignment, provided by spherical bearings on both top and bottom All the benefits of Revo shocks plus six external knob adjustments allow fine-tuning of rebound 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 Lifetime warranty Made by hand in Sturgis, South Dakota