well, i only change the exterior only (as you can see), i modified the battery case bigger, (since it is hard to find quannon battery's size here) and i change the airbox with the sport one, the exhaust is from yy pang (malaysia), no more modified. i dont know my top speed(i still love it) but most of the time i reached 120 km/h, both sprockets is still original.if only wrrp.com reply me, i will totally tranformed it by the end of next month...