Yea I know the bike wasn't designed for it but when confronted by a wild pack of wolves in the back country and you need to get away quick then you want to know your bike won't break if for a short period of time you need to ride whatever comes befor you. HAHA. nah I just wanted to know if the carbon tail could hold up. I Race SCCA Pro Rally and our carbon seats flex all day long under heavy loads and never had a failure. Also Back in the day Goodie makers of the carbon fiber ski poles make snowboards and we flexed and jumped and bonked and everything and they never broke. Either way I thought someone might know if that was a problem or just a limitation. I think this bike will be perfect for me and if I want to go to the local mountains I can rent a bike to f-up. Thanks for the input guys and gals.