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View Full Version : 18" vs. 20" rear tires



sjc115
03-22-2005, 08:06 AM
It seems that most people run 18" rear tires for motocross. Does anybody know what the benifit is versus running 20" rears?

khen
03-22-2005, 08:56 AM
18" will lower your center of gravity so you're not as tipsy cornering and also the smaller diameter will give you better acceleration, similar to a gearing/sprocket change.