* PAIR of TIRES* WTB Nano Comp 700c x 40mm Adventure/Cyclocross Wire Bead Tires !! * PAIR of TIRES* WTB Nano Comp 700c x 40mm Adventure/Cyclocross Wire Bead Tires !! It features an elevated centerline that rolls effortlessly on hard surfaces, numerous micro knob working edges providing lateral traction and predictability, and a voluminous casing designed to go the distance. It is no wonder why the Nano is ultra endurance mega athlete Jay Petervary's favorite tire ! Fast-rolling tire excels in soft and muddy conditions ! Tackles the racecourse, singletrack and pavement with Speed, agility, traction and stability ! Designed to be run with inner tubes, Race tires feature a lightweight, 27 tpi casing, wire bead, and DNA Rubber: a fast-rolling light 60A rubber compound . Long-lasting tire with a rounded profile and low rolling resistance with Lightweight casing is gram-conscious and supple yet reliably rugged !!