Kenda Nevegal X Pro Tire - 26 x 2.1, Tubeless, Folding, BlackNevegal X evolves from the original Nevegal for classic control and predictability with lighter weight and faster rolling. Raised and ramped center knobs provide traction with fast rolling Hexagonal transition knobs and hollowed edge knobs provide traction and save weight DTC: Dual Tread Compound increases center tread life with the use of Kenda's L3R PRO compound (60 shore A durometer); cornering grip and control are increased by the use of Stick e