A SIMPLE KEY FOR ENGINE BIKE NUMBER UNVEILED

【POWERFUL POWER】The 100cc bicycle engine package incorporates a powerful 3.5HP horsepower with 100cc displacement, rated at 2kw/h and 3600RPM, delivering you with a robust power to accelerate your bike as much as 50km/h best speed.AIR-COOLING SYSTEM: By adopting an air cooling system, the temperature in the engine could be promptly minimized, c