Motorcycle 53.5 mm Piston Pin 13 mm Ring 1.0*1.0*2.0 mm Set For bao yue This piston pin and ring set is designed for compatibility with bao yue models.The piston pin measures 53.5 mm in diameter and is made of steel.It is paired with a full ring set consisting of three rings, each with dimensions of 1.0*1.0*2.0 mm.The components are built to endure operational stress and function reliably under -temperature conditions, with heat resistance up to 105℃.The physical appearance and size correspond to the images provided.Installation requires matching the part to the existing configuration in the engine.The set includes one piston pin and one complete set of rings.Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.