Legends Revo Heavy-Duty Tri Glide Shocks R13THDProvide 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 Allow minimal pre load adjustments when changing between riders weights or loads Adjust by hand, no tools needed 13in. heavy duty application Spherical bearings on both the top and