If you wish your fat bike could roll smoothly down the street, this is the tire for you!  The unique design can turn an off road beast into a city slicker.

26"x3.5" - Outer diameter of tire when inflated is 26".  The tire is mounted on the front of the bike shown for comparison.  Despite the low profile design, the tires have good traction on hard packed dirt trails.  The fit has been tested on 26" wheels up to 80mm.

Other potential advantages as shown on the Sondors ebike: