Rear Axle Kit:Length: 740mmDisc: 160mm*4mmSprocket: T8F 58T(No chain)This is a complete rear axle kits for go kartRear Brake Caliper Assembly:With master cylinder and caliperBrake hose length: 61 inch (1550mm)This rear brake assembly should fit most chinese made pit bikes.Fits (For the reference):Perfect for DIY gokart projects or rebuildsFit for quad ATV buggy go kartFit many 50cc 70cc 90cc atv quads, go karts such as atomik , motowork, DHZ , LEI etcPackage includes:?? Rear Axle Kit + brake assembly + Pair of pillow blocks(No chain)