100CC BICYCLE ENGINE KIT: The 4 stroke engine boasts a sturdy 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, plus a max rotating speed of 3600RPM, which provides you with sturdy power and accelerates your bike to your max speed of 50km/h.79cc BBR Tuning “The Beast” bike motor package- Given that the name suggests, This is ce