Hey guys, I want to try something different this summer. I want to asphalt race. My bike is set up for hillshooting, 15/42 gearing 2-5 override. with first gear still. I have a few questions, can I get by with my override with out 6th gear. And tire size what should I run? Do they only make the American Racer tires in a 10 inch rim. I see they sell 18x8-10, 18x10-10, 19x8-10 and 20x10-10. Ok now I would like to know the diffenence in tire sizes. what should i run? I have a 10 mil cheetah with a 8 in swing arm. "yes I will be running a wheeile bar" Should I but lowering link??? where can i get a chain guard??? My track my house want one, what gearing should i run with out 6th?? ANY HELP WOULDBE GREAT GUYS.. Thanks