Schwalbe ProOneEvo MicroSkin Folding 20 TyreThe Schwalbe Pro One is a fast and grippy tyre that performs well with a tube but even better when adapted tubeless. With Schwalbe's patented MicroSkin construction, this tyre is fast, reliable and lightweight for an excellent racing performance.Features:  Bead: Folding  Casing: MicroSkin  Compound: OneStar  Pressure: 85 to 115 psi  Weight: 205gTechnologies:  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 new patented Microskin construction means they can create tyres that can be easily mounted tubeless, while providing some additional benefits