Lexmoto: ZSX 125 ZS125-48A, ZSX-F 125 EFI ZS125-48E-E4, ZSX-F 125 ZS125-48E, ZSX-R 125 EFI ZS125-48F-E4, ZSX-R 125 ZS125-48F. Zongshen: ZSX 125 ZS125-48A. Size: M14 x 285mm. Length: 285mm. The wheel spindle, also known as the wheel axle, is a critical component that supports and secures the motorcycle wheel to the fork or swingarm.