Salsa Beargrease C XT Fat Tire Bike - 27.5" Carbon Indigo X-SmallBeargrease is our fat tire bike built to go faster than you knew fat tire bikes could go. The super light frame and fork and the sure footed rollover of 27. 5 x 4. 0 wheels and tires cover challenging terrain quickly. Versatile frame and fork mounts let you carry everything you need for the backcountry. Test yourself in a snowy endurance race or pack your camping gear and embark on a long distance overnight bike trip. Full carbon frame with super