740mm Go Kart Rear Axle Kit Heavy Duty Mount Brake Disk Base Sprocket Rear Axle for 50 to 150CC DIY Rebuilt ATVs and Drift This rear axle kit is designed for go karts and compatible with 50 to 150CC engines used in DIY, rebuilt ATVs, and drift applications.The 740mm axle provides a foundation for rear wheel mounting and drivetrain integration.It includes a heavy duty axle shaft with mounted brake disk and sprocket base, allowing for straightforward chain drive setup and effective braking performance.The components are built to support standard karting and small vehicle frame configurations.Installation requires appropriate bearings, hubs, and fasteners based on the specific vehicle design.This axle assembly supports both single and dual sprocket setups depending on drive requirements.