Just for you ricky. who care;s about your dumb feet. Look close at 840 and 850, at 840 gen1 gets a wheelie behind gen2 and at 850 gen1 blows buy the gen2 on the rear wheel.:rofl_200: make sure you watch on full screen.:biglaugh:
https://www.youtube.com/watch?v=hCtdA6UR2tE
