100CC BICYCLE ENGINE KIT: The four stroke engine boasts a strong three.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, plus a max rotating speed of 3600RPM, which delivers you with sturdy power and accelerates your bike into a max speed of 50km/h. Powerful engine for faster speeds. https://bike-engine-2-stroke93108.widblog.com/89896352/bike-engine-details-things-to-know-before-you-buy