TOP CASSETTE BIKE PART SECRETS

100CC BICYCLE ENGINE KIT: The four stroke engine features a strong 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, and also a max rotating speed of 3600RPM, which offers you with strong power and accelerates your bike to some max speed of 50km/h.is connected towards the frame by The underside bracket, to the rear wheel through th