Since it's introduction in 2002, the OnePointFive standard that applies to fork steered tubes, head tubes, headsets and stems has steadily gained a core following. So we've tested a quartet of big rigs to find the big daddy...

With some six-inch bikes verging on freeride, and four-inch bikes being touted as cross-country ready, we persue the middle ground to see if it will be a compromise or the Holy Grail for the everyday trail rider.