Upper Lower Swingarm + Steering Strut Knuckle Spindle + 3 Stud Wheel Hubs + 350mm Front Shock for DIY Buggy Electric ATV Go Kart Quad Bike Buggy 4 Wheels 110cc 150cc 200cc. 1、Go Kart Swing Arm Kit – Upper Swing Arm Length: 200mm (7.87″), Width: 190mm ( 7.48″); Lower Swingarm Length: 300mm (11.81″), Width: 235mm (9.25″).