The Specialized Fast Trak Mountain Bike Tire is designed for the adventurous rider seeking to conquer challenging terrains. This tire features a GRIP TON Dual T5/T7 compound that strikes the perfect balance between speed, traction, and cornering control. Compact center knobs minimize rolling resistance, optimizing your XC performance. The Block-In-Block shoulder knobs ensure stability when you're taking high-speed corners. A 60TPI Flex Lite casing provides lightweight protection and durability for rigorous races. The tire's tubeless construction supports lower pressures, improving traction and control. With an optimized tread design for weight reduction and acceleration efficiency, this tire is built to withstand the toughest trails and technical tracks.