Schwalbe's G-One HT Speed Tubular Tyre with its ""V-Guard""? puncture protection strip is an ultra-fast, ultra-tough tyre. An evolution of Schwalbe's S-One and Big One tyres, it's designed to offer you the low rolling resistance and reliability that you need for training or racing. Perfect for both gravel or road use. Handmade Tubular: Hand making a tubular tyre is an art in itself. So, because production differs distinctly from the manufacture of regular bicycle tyres, they are exclusively manufactured in a new Schwalbe factory. For each individual handmade tubular, a lot of careful craftsmanship is required; so, only the most skilled people are employed to construct each tyre and, by hand, stitch and glue together each part. Tubeless Easy Microskin: Tubeless is the tyre technology of the future. Tubeless tyres bring clear advantages in speed, comfort, grip and puncture protection. Schwalbe's patented Microskin construction means they can create tyres that can be easily mounted and provide some additional benefits such as being significantly lighter than previous tubeless tyres. They also offer additional improved rolling resistance, all-around improved cut resistance, and high-pressure capability. OneStar Triple Compound: Specially developed for the Schwalbe One. A completely new polymer base makes possible a radical reduction in rolling resistance and cut protection. MicroSkin: Special cross fabric that is applied to the inner surface of the tyre. Very light, cut resistant and air tight. V-Guard: This high-tech fabric ensures a high level of puncture protection for race and tour tyres. * Usage: Training, competition, gravel, road * Compound: OneStar * Execution: Handmade Tubular * Skin: Micro * TPI: 107 * Weight: 360g