ZETA Rear Shock Preload Adjuster SHOWA50A ze56-13032 F4235 ZETA ZETA rear shock preload adjuster F4235. See if it fits your bike. Honda CR 250 R Honda CRF 250 R Honda CRF 250 RX Honda CRF 250 X Honda CRF 450 L Honda CRF 450 RL Honda CRF 450 RX Honda CRF 450 X Kawasaki KX 250 F Kawasaki KX 450 F Suzuki RM 125 Suzuki RM 250