Schwalbe Dirty Dan Tire - 27.5 x 2.35, Tubeless, Folding, Black, Addix UltraSoftFor deep, muddy terrain. Dirty Dan is the choice when the ground is muddy. Tall blocks bite into soft and loose terrain. Large gaps provide the necessary self cleaning and braking traction. Product Specifics Color: Black Defined Color: Black ISO Diameter: 584 650b 27. 5" ISO Width (mm): 60 Labeled Size: 27. 5 x 2. 35 Tire Bead: Folding Tire Diameter: 27. 5" Tire Intended Use: Mountain Tire Intended Use: Downhill Tire Type: Tubeless Ready Clincher