The Pro One Tubeless outer tire unites flexibility, speed and control at the highest level. The best road bike tire Schwalbe has ever developed. The outer tire features V-Guard puncture protection. The tire was specially developed for tubeless use without an inner tube, thus offering the best performance by far. Specifications: Color: black Gender: unisex Material: rubber Inch-size: 20 x 1.10 ETRTO size: 28-406 TPI / EPI: 127 Puncture protection: yes (V-Guard) Tubeless: yes Foldable: yes Type of bike: road bike