XPLOR PRO 8950 Shock absorber 150 TE / 501 FE 20-23Supertrax technology Improved and calmer ride Greater comfort Greater confidence in all situations Lower physical strain Friction optimized components Adjustable spring preload Adjustable high speed compression damping Adjustable low speed compression damping Adjustable rebound damping Greater grip and traction Setting Item is delivered with basic setting Husqvarna FE 350, FE 450, FE 501 and 45 N mm shock spring, further settings can be found under