That would probably depend upon the age of the person the "rolling" hills, etc....
My last 40 mile ride outside was an average of 126. I am an overweight, 45 year old if that makes any difference to you at all.
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2007 Jamis Ventura Comp
2006 Jamis Explorer 2.0
2000 Specialized Hardrock (bought used)
Swim, Bike, Run and sounds like fun