ZETA Fork Bottom Adjuster ze56-20030 F4242 ZETA ZETA fork bottom adjuster F4242. See if it fits your bike. Husqvarna FC 250 Husqvarna FC 350 Husqvarna FC 450 Husqvarna FX 350 Husqvarna FX 450 Husqvarna TC 125 Husqvarna TC 250 Husqvarna TX 125 Husqvarna TX 300 KTM SX 125 KTM SX 150 KTM SX 250