The most popular thing are heavy engine in this bike.Which makes it more attractive and run it so fast for great race.Because this is an heavy bike.For more features this want to be a heavy attractive silencer.and the voice of this bike are great.The main common thing are different colors and this new technology design.for making more features.because due to great engine.and this bike surf too much fuel please do something for this.and will create a engine who, s surf little bit of fuel and petrol.but I really like it so much and love this bike.