Going 1x is so hot right now. But sometimes, front derailleurs are cool too. When Specialized launched their Allez DSW Sprint, they tried something new – a 1x specific road race frame. Built specifically with racing in mind, 1x groups like the SRAM Rival 1 made the concept of a 1x road bike that much more viable. After the initial launch of the x1 models, Specialized is launching a slightly revised version – the X2. It’s everything that made the X1 so desirable, but with the added benefit of being able to shift it into the little ring to limp home after a hard race…