SRAM has always maintained that XX1 is not intended to be a weight-weenie's solution to changing gears. That said, it also happens to be 200 grams lighter than the company's anorexic XX group, so yeah, it's going to appeal to cross-country types. But there's still more to this story...
Video: XX1 Chapter 3--Cross Country
Video: XX1 Chapter 3--Cross Country