100CC BICYCLE ENGINE KIT: The 4 stroke engine features a strong 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, and a max rotating speed of 3600RPM, which delivers you with sturdy power and accelerates your bike to a max speed of 50km/h.Cycle Equipment is aware of how to Enjoy dirty. When it comes to supplying motocross and endur