Motorcycle 53.5 mm Piston Pin 13 mm Ring 1.0*1.0*2.0 mm Set For bao yue This set includes a 53.5 mm piston pin and a 13 mm ring with dimensions of 1.0*1.0*2.0 mm, designed for compatibility with bao yue models. The product is based on the visual representation provided in the images. Please compare the appearance and size with your existing components to ensure compatibility. The physical item you receive will match the style, shape, and dimensions shown in the corresponding image. Compatibility Disclaimer: This is an aftermarket replacement part. Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.