100% Brand New and High Quality Air shock absorber fit most 50cc 70cc 90cc 100cc Dirt Bike Mini Bike Gokart Moped Quad and ATV.315mm (12 3/8″) total length280mm (11″) eye to eye lengthEye Diameter : 10mm Eye thickness : 21mmSpring thickness : 7mm Spring Width : 58mm (2.3″)Spring Weight : 110kgs (220 lbs) Pressure can be adjusted by springs or air (nitrogen)Fits : Model HeightCUSTOM 330DREAM 330DREAM NEW 330FIGHTER 315NICE 335NICE U-BOX 320WAVE 335WAVE-100 335WAVE-110 335WAVE-125 320GTO 320KAZE-R 320RS-100 320RS-125 325RX-S 320RX-100 320RX-Z 315SMART 325J