The Schwalbe Dirty Dan tyre features an aggressive and open tread design, perfect for deep soils and soft terrain. The Dirty Dan is the ideal choice for real dirt riding. The huge tread just bites into the soft ground making for a better ride, the massive spaces between the toothy tread provide the necessary self-cleaning features but also help to add to braking ability and overall traction. Dirty Dan Features Large stud gaps Aggressive open tread design Excellent brake traction Great self cleaning characteristics Perfect for sludge and very soft ground Tyre Specification Size: 27.5 x 2.35 Skin/Protection: Downhill Tubeless: N/A Compound: ADDIX  Bead: Wire Line: Evolution Size Options   MPN ETRTO Size Protection Level Tubeless Compound Bead Line Option 1 SCH8231 60-584 27.5 x 2.35 5-Super Gravity TL Easy Addix Ultra Soft Folding Evolution Option 2 SCH8239 60-584 27.5 x 2.35 Downhill ----- Addix Ultra Soft Wire