Duro Tire 24x4.0 Fleetwood Semi-Slick Street Bike Tire with Folding Beads 24x4 Duro Tire's 24x4.0 Fleetwood semi-slick fat bike tire is designed primarily for street use. The near smooth tread design grips the road with a high surface area for stability at high speeds while the shoulder tread knobs help give you exceptional cornering and stability. With a 60 TPI casing, the ride is guaranteed to be smooth. Single 24x4.0 Duro Fleetwood fat bike semi-slick road tire. Folding beads help reduce the weight of the tire to help you out on longer ridesSemi-Slick tread allows you to cruise the streets without the rumbling and bumbling of knobby designs. The Fleetwood is Duro's answer to street cruising. With an almost smooth semi-slick design, the Fleetwood gives you comfort and agility on pavement like no other. The 60 TPI casing offers comfort while the tread design gives stability to your ride. ETRTO: 102-507, Air Pressure 15-30 PSI, 1-2.1 BAR, Rim Width 80-100 mm, Folding Bead, 60 TPI, Weight 1120 g