What's a good rear sprocket as I have a 50 and don't know bout front as ill have to count them. There's two stretches ill be traveling that are 50 and 55mph and there website says there top speed is 50 mph. I'm looking for one that'll give me a higher top speed less rpm on motor and still be good off road here's link to bike
http://www.uscoolsports.com/DIRT_BIK...b-06-200ed.htm