I think 40 miles would be a long ride, this was a 72 mile ride of a lot of hills. I am amazed by all that ride them. I want to find one and try it. I think it would be neat.
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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