Product Name: Motorcycle Spare Parts - Piston Rings Model NO.: 110cc Four Stroke Principle: Combustion and Expansion of Power Stroke Thermal Machine: External Combustion Type Energy Transformation: Power Machine Cold Style: Air-Cooled Stroke: Four Stroke Cylinder NO.: 1 Cylinder Start: Electric/Kick Type: Fuel System Bore Diameter: 52.4mm Trademark: YOG Transport Package: Yog metal Box Packing Specification: SGS Origin: China Guangdong Product Description 1. We are the professional motorcycle parts manufacturer with more than 20 years exporting experience from China, we can supply all kinds model: 110cc, XY-200, XY-125V, AX-100, CG-125, GY6-50, GY6-125, JOG-50, GN-125...2. Our brand YOG is very hot all around the world, especlly South America, Aferica, Mid East...3. High quality and competive price.Pls feel free to comtact me if you have any question, tks