29er mountain bike frames are all the rage right now. They are used to create both single speed commuters and serious off-road adventure bikes. Most reputable bike shops will have several of these from which to choose.
29er mountain bike frames are slightly different than the average frame. Due to the larger wheels, the frame geometry must be adjusted in order to provide neutral steering and enough room for suspension travel. Because of this, a specialized frame is required.
29er mountain bike frames are available in a number of configurations. For many riders, a hard tail frame is still the preferred style. However, for the more adventurous, full-suspension models are also available.