100CC BICYCLE ENGINE KIT: The four stroke engine boasts a sturdy 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, and a max rotating speed of 3600RPM, which delivers you with powerful power and accelerates your bike to the max speed of 50km/h. 79cc BBR Tuning “The Beast” https://bikeengineguard38256.dsiblogger.com/68089075/a-review-of-bike-engines-explained