Avenir Discovery 700c Road Tires (Black, 700 x 23c)
Keep your older 10-speed bike on the road with the Avenir Discovery 700c road tires. Equipped with easy-rolling 90 psi casings and Kevlar belts between the tread and casing, the tires easily handle both rough pavement and light gravel on the shoulders. Each tire measures 700 x 23c.