If you're not riding a chairlift, you need a bike that'll let you climb well for hours at a time, but still soak up what real mountain trails throw at you.
How a revolutionary new concept in trail design is fulfilling the promise of gravity-fed mountain biking.
Tour Divide—officially known as the Great Divide Mountain Bike Race—is an underground-over-ground, point-to-point ultra endurance fest with nary more than a website as the organizing cement.