JBI Suspension 2016+ WP Linkage Shock Bladder Kit http://www.ridejbi.com/jbi-2016-wp-linkage-shock-bladder-kit/ Converts WP shock nitrogen tank from floating piston type to bladder system Bladder system removes all friction/drag associated with the floating/sliding piston type The removal of friction/drag improves shock sensitivity Precision machining and design ensures perfect fitment & seal High grade machined cylinder threads Constructed from top of the line materials Cap and cylinder are aerospace grade 7075 Aluminum with anodize finish Specialized NBR rubber bladder High pressure Schrader Valve for easy pressurization of shock Fitment: All 2016+ 125cc to 450cc KTM and Husky linkage shocks