'13 Surly

One part fat-bike, one part 29er, and two parts awesome, Surly's Krampus Frameset lets you build a fun and quick bike that rolls over anything and everything. Surly builds the frame and fork with reliable and great-riding chromoly and provides a long top tube and short chainstays for a playful and smooth ride. This frameset accepts 29-inch wheels and tires up to 3 inches wide for outstanding traction and control. Plus, you get frame reinforcements in all the right places and all the braze-ons and details needed so that you can handcraft your dream bike.