Jesse, Greg, et al,
I agree, mountain bikers deserve to have a place to ride, just not on wilderness trails. This whole idea that everyone gets everything they want without any restriction as a price for us getting along has gone too far, IMO. There are already many restrictions in place separating different means of locomotion, e.g. bikes on freeways, ditto walkers, horses, pogo sticks, etc, for the same reason bikes should not be permitted on wilderness trails; the difference in speed is too great. There are 1000's of miles of logging roads and areas open to off road vehicles available for mountain bikers already, not to mention just plain striking off on their own cross country in national and state forests. Why the need to go after the nations crown jewels as well? Maybe leave a few places for those of us who prefer to travel on foot undisturbed by someone yelling out "ON YOUR LEFT" to shatter our tranquility? Please? Not to mention the impact aspect. Trails first, but inevitably the adventurous ones will start going off trail in pristine areas to devastating effect. I've seen enough of that with horses already; bikers will make it much worse because they will go further afield, especially those of the cyclo cross persuasion, for whom the remote and difficult will be just one more challenge. If you truly want us to all get along, leave a little bit for the hikers, too.