1Fitment: Manufactured according to the standard specifications, perfect fit for most of 49cc to 80cc 2 stroke engine motorized bicycles. 2Strong Construction: Our ignition coil is made from steel and copper wire, which possess great conductivity. And after special treatment, our product has stronger moisture and rust proof properties. 3Longer Service: Designed to meet the exact needs of each specific bicycle, and the details of our ignition coil such as stable materials, high turns ratios, and protected circuitry all provide a durable serving life. 4Reliable Performance: This ignition coil improves combustion efficiency and electrical performance, which helps to produce optimal engine efficiency and ensure stable operation, therefore solves the problems such as abnormal ignition and slow ignition, so that your motorcycle can start quickly in a short time. 5Direct Replacement: Our ignition coils has undergone various rigorous function tests with stable performance, and it can be directly replace the damaged old ignition coil assemblies.