CG125 motorcycle piston ring set, providing 56.5MM, 62MM, 63.5MM, 67MM cylinder diameter, with corresponding ring socket size (such as 0.8×0.8×2.0, 1.2×1.2×2.5, etc.), completely match the piston/cylinder of CG125 engine with different displacement, directly replace the original piston ring; Including air ring (sealing combustion chamber), oil ring (scraping cylinder wall oil), layered design to ensure the combustion chamber air tightness and cylinder lubrication rationality, improve engine power and fuel efficiency; Using alloy cast iron + chrome plating/molybdenum spraying process, resistance to high temperature, wear resistance, suitable for high load engine working environment, service life is longer than ordinary piston ring; It is one of the core components of engine overhaul, which can be directly assembled on the corresponding piston, suitable for professional engine maintenance operations.