Wow! mike vandeman... have you ever tried mountain biking? saying walking is good enough for bikers is like saying " hey hockey players!, soccer should be good enough for you!" or " Why go hikng in a national park and drive five hours when you can just go walk in you local park?" i really cannot fathom how ignorant you really are. if you look at the pros of biking in relation to impact on the environment compared to cars, trucks, mining, building houses, really quite a bit of the every day things we do, i think youll find that its a good thing. not a bad thing. get out and ride yourself for a month and tell me that walking is the same.... w