Humptulips Ridge 26 x 2.3Description Finally the revolutionary dual purpose knobbies are available in a 26 version. Humptulips Ridge, the place that inspired these tires, is at the southern edge of the remote Olympic Mountains. A beautiful narrow gravel road climbs one side of the ridge, then descends the other, in an otherworldly loop that ranks among the best riding experiences anywhere. The Rene Herse Humptulips Ridge grips like a knobby when conditions get tough. On