True high performance front suspension has finally made its way to the 2016 + HD Sportster line Progressive Suspension's state of the art Monotube Fork Kit represents the peak of front end handling for the venerable XL and replaces the sloppy open bath internals with high pressure gas charged dampers New kit features a set of Monotube cartridges and custom tuned fork springs in stock and lowered versions designed to transform the ride quality of most late model Sportsters Monotube style damping improves ride comfort, resistance to front brake dive as well as improving front end stability, cornering and bottoming control Apps for 2016 and newer Sportster models No mods are required and install is relatively simple