The VelociRaptors are legendary mountain bike tires. They are quite possibly the most popular tires in the history of WTB. The front is renowned for its steering control, while the rear grabs the trail with predictable tenacity.Classic front and rear tire setSteel bead with durable 70a rubber and standard 27 tpi casingItem SpecificationsWeight795gPSI35-65PSITire BeadSteelISO Diameter559 / 26" mtnISO Width53mmLabeled Size2.1Color Tread/SideBlack/BlackTire TypeClincherTire Diameter26"Tire UseMountainDefined ColorBlack