Enjoy the Bike, it is great enjoyment to ride. Compared to a Sur-Ron X It is just a actual bike! It has a loud reduction gearbox, Possibly Sur-ron have to have to exchange straight cut gears with helical types. Still a good deal quieter than any ICE bike. This bike https://top100bookmark.com/story20224950/not-known-factual-statements-about-surron-ultra-bee-charger