Appreciate the Bike, it is great exciting to ride. In comparison with a Sur-Ron X it is a true bike! It has a loud reduction gearbox, perhaps Sur-ron need to have to interchange straight Lower gears with helical types. Still a good deal quieter than any ICE bike. This bike https://artybookmarks.com/story19876946/surron-electric-bike-things-to-know-before-you-buy