The stock tires on mine have been gone since the firs run...donuts on tar
Nearly 500 grams is a massive difference and i don't know about those numbers and if true, the DI has useless weight and will be beat by a RS as the only advantage i see now is turnbuckles and a little bit in the drivetrain.
IT's a little overgeared, but the quad mag had enough torque to make it bounce a little while accellerating if you understand what i mean. And i have onroad tires.
About the username, i like the new one better, how bout you?