45NRTH is known for creating high end fat bike tires, components, and accessories. The 45NRTH Husker Du is the ultimate combination of traction and low rolling resistance for your fat bike. Tightly spaced center blocks reduce rolling resistance, while the loosely spaced shoulder knobs give the sides increased traction for superior corning. The use of spikes creates additional edges for grip, which is critical for riding on hard- pack surfaces. Equal tread depth across the casing results in a round profile for enhanced tracking and steering. The new lightweight casing (select Ultralight Casing version) decreases the Husker Du by 100 grams.