100CC BICYCLE ENGINE KIT: The 4 stroke engine features a strong three.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, along with a max rotating speed of 3600RPM, which offers you with sturdy power and accelerates your bike to the max speed of 50km/h. Hanger: part of frame https://bikeengine2stroke93714.blogzag.com/78653196/the-basic-principles-of-bike-part-art