[Rear Axle Kit]This is a high class and durable live axle kit, perfect for DIY go kart projects or rebuilds.[High Quality Materials]This Go Kart Rear Axle Assembly Kit is a high-performance aluminum cylinder with brake fluid pre-installed. The brake disc is made of high-quality steel, which is durable and has a long service life.[Main Parameters]Axle Overall length (from end to end): 29″, Disc: 6.3″ x 0.16″, Brake Disc Diameter: 6.3″, Sprocket: T8F 58T, Package size: 30″ x 8″ x 3″, Shipping weight: 10 lbs.[Wide Application]Complete Rear Axle Kit, brake master cylinder caliper components are highly adaptable, fit for Quad ATV Buggy Go Kart, fit for many 50CC 70CC 90CC ATV Quads, Go Karts, such as Atomik, Motowork, DHZ, LEI, etc. Product DescriptionRear Axle Kit:Axle Overall length (from end to end): 29″ / 740mmDisc: 6.3″ x 0.16″ (160mm x 4mm)Brake Disc Diameter: 6.3″ / 160mmSprocket: T8F 58TPackage size: 30″ x 8″ x 3″Shipping weight: 10 lbsFitment:This is a complete rear axle kit for go