Originally Posted by Iride01

You bought it new that way didn't you? Are you thinking that Trek and the designers and everyone else on the sales end of that bike didn't consider whether it was safe? Rules of thumb have plenty of exceptions.

If you bought it used, then what does a new bike of the same year and model look like? All the same components?

If you recently installed a new fork and did your own thing, then all bets are off. Even for rules of thumb.