100CC BICYCLE ENGINE KIT: The 4 stroke engine offers a sturdy 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, in addition to a max rotating speed of 3600RPM, which offers you with sturdy power and accelerates your bike to the max speed of 50km/h. Fork: the part https://bikeenginedetails83445.blogmazing.com/34124272/a-review-of-bike-engines-explained