By John Cameron When your legs burn, but you are not there yet, you have to keep pedaling. The thought comes at the end of yet another day of biking with Salida in the distance settled down in the valley bottom. A new style of bicycling is emerging and the Arkansas Valley is at the crossroads of it. Imagine combining mountain biking, road cycling and bicycle touring all into one ride with only one bike. A new trend in cycling does exactly that. After years of highly specialized bike components and wheel sizes to choose from, the ability to do…