Silicon-steel springs
Inner diameter: 49.2m/m; outer diameter 58.7m/m; wire diameter 4.67m/m

[Image is for reference only]

,JET POWER EVO,JET-S,NEW FIGHTER(新戰將),J-POWER,JET,FIGHTER-150(戰將),NEW FIGHTER 4V(新悍將),FIGHTER 4V(悍將),G3(奔騰),SUPER5-150(超5-150),SUPER5-125(超5-125),RACING-150(雷霆150),RACING-125(雷霆125),G5-125(奔騰),G4(奔騰)