R-ONE We are R-ONE. Rider owned and rider operated. R-ONE builds, rides, races, and sells Fourcross bikes. In the past years nobody has ridden more, raced more, built more or sold more in regards to the fourcross world. R-ONE hails from the epicentre of the lift assisted mountain bike movement, Whistler ,B.C., in the good 'ol C.A. of N.