Progressive Suspension state of the art Monotube fork kit represents the pinnacle of aftermarket front end handling. High performance specialty components replace the sloppy open bath damping found OEM forks. Improves resistance to front brake dive, front end stability, cornering and bottoming control. The kit features a set of gas charged Monotube dampeners (similar to a high end shock) and a set of custom tuned fork springs. Fits all GL1800s. Lifetime Limited warranty. Pair.