Length: 740mm / Disc: 160mm*4mm / Chain Sprocket: T8F 54T Wheel Size: Height 12.6" (320mm) x Width 4.52" (115mm) Centrol hole: 2.12''(54mm) / Bolt diameter: 8mm / Mounting hole eye to eye: 3.07''(78mm) Fit many 50cc 70cc 90cc atv quads buggy Rear Axle Kit: Length: 740mm Disc: 160mm*4mm Sprocket: T8F 54T Bearing model: 6904RS This is a complete rear axle kits for go kart The kit includes: 3 stud hubs, disc and sprocket carriers, bearings and seals in axle bearing housing 4.10-6 Tire: Centrol hole: 2.12''(54mm) Bolt diameter: 8mm Mounting hole eye to eye: 3.07''(78mm) High quality 4.10-6 tire, cane be used on atvs and go karts as front or rear wheel Brake Assembly: Brake hose length: 61 inch (1550mm) Rear brake assembly with master cylinder and caliper Package include: 4x 6" Tires + Rear Axle Kit + Brake Assembly + 2 x pillow blocks + #35 Chain + 1x #35 chain sprocket + pair of steering spindles+ pair of 3 stud front hubs + 1 set front steering + 1x steering wheel + 1x3/4" clutch