4140 carbon steel front thickened and upgraded version of the universal joint dogbone, the diameter of the dogbone has been upgraded from the original 5.5mm to 7mm, which is more sturdy, can adapt to bumpy road conditions, and is not easy to deform.
The diameter of the needle on the dog bone is increased to 5MM which can effectively extend the use time of the dog bone.
The reduction of both ends of the dog bone during driving makes the CVD shaft head and cup connection smoother
Made of 4140 carbon steel, hardening black treatment, the cup is reinforced to prevent cracking effectively and is more durable