100CC BICYCLE ENGINE Package: The four stroke engine offers a sturdy 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, as well as a max rotating speed of 3600RPM, which supplies you with potent power and accelerates your bike to the max speed of 50km/h. Hub: the center https://bikeengineparts03636.bloggazzo.com/34049340/bike-engine-oil-no-further-a-mystery