XTrig 16-19 Husq TC125-250/TE150-250/TX125-300/ KTM 125-450SX/SX-F/ XC-F Shock Pre-Load AdjusterThe XTrig Shock Pre Load Adjuster is a precision engineered mechanical device designed to replace the standard preload rings on your shock, allowing for quick and precise adjustments to your bike's sag. This adjuster is particularly beneficial for off road and motocross riders who require frequent suspension tuning to adapt to varying track conditions. This Part Fits: Year Make Model Submodel 2016 2022 Husqvarna FC250 Base 2016 2021 Husqvarna FC350