CST Adventure Tire 20x4.0 Wire BlackThe CST Adventure 20x4.0 Wire Bead Tire features an aggressive, directional tread design with lots of working edges to provide grip on difficult or slippery terrain. The round overall profile is paired with a consistent centerline tread make for low rolling resistance should you find yourself on a paved surface. 60 TPI. 30 PSI Max. Available in Black.6933882533004