WP Suspension Shock Bladder Kit ZF10001 The WP Bladder Kit for the OEM WP serial linkage shock replaces the piston-style original reservoir with a bladder style reservoir. The bladder reduces the heat which results from the piston’s friction and ensures a more consistent performance of the shock by reducing shock fade. The tuned shock also improves the responsiveness of the shock and offers improved comfort. // BENEFITS Resists fading Decreases moving parts and therefore the friction Improves the responsiveness of the shock and offers improved comfort Make Model Years Husqvarna TC 125 2016-2022 Husqvarna TC 250 2017-2022 Husqvarna FC 2016-2022 Husqvarna TX/FX 2017-2022 Husqvarna TE/FE 2017-2023 KTM SX 125/150 2016-2022 KTM SX 250 2017-2022 KTM SX-F/XC-F 2016-2022 KTM XC 250/300 2017-2022