Go for it! I have a 2004 Kikapu with a Vanilla 130 on it, I like it alot. It's really slack for an XC biek but whatever, I live in FL climbing isn't one of my main concerns. And it will not void the warranty. You just can't put a DC fork on it, duh. I guess a 66 or a sherman wouldn't be a good idea either but that's common sense.