It all comes down to your type of driving and what terrain. No differant then a car or truck. Do you want to climb or mud bog then you get this cam, do you want to race dirt track or oval then you will get this cam and if you want to drag race you will get this cam. You don't buy a drag cam for climbing, bogging, or oval racing. A-10 and A11 cams are all around sport cams for flat windy trails with occasional hills.
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