Accessories:Hex Adapter-6PCSStainless Steel Screw Shaft M4*2.5*11-6PCSOriginal Name / Part No:8269Product major functions & usage:Connect with front CVD and rear drive shaft with wheelsMajor advantages of upgrading to this part/product :1. Made with a light material high tensile strength aluminum 6061 T6 for great sturdiness.2.Reduce the gap and closer to the wheel