TIOGA PSYCHO GENIUS 26" MOUNTAIN BIKE TIRES NEW IN PACKAGING / MSRP $59.99 EACH / SHIPS IN 24HRS The phenomenal A.I. Knob that automagically reshapes to increase traction is completely revamped for tackling gnarly terrains. SPECIFICATIONS: Manufacturer: Tioga Model: Psycho Genius Size: 26" x 2.30" (559)  Includes two (2) Tires Material: Synergy Dual Compound Rubber, Mag60 Casing Mass: 746 grams Type: Clincher, tubed  PSI: 35-65 Condition: New in packagingTioga