- Versatile tread with good grip and easy rolling. **Features:** * PROTECTION: K-Guard - a layer of natural rubber, reinforced with Kevlar fibres * SIDEWALLS: LiteSkin which offers light, thin sidewalls, for weight saving and reduced rolling resistance * COMPOUND: All SBC (Schwalbe Basic Compound) a versatile quality compound for all applications, apart from sizes 12/16/18" which are Black'n'Roll compound with leaves no marks on indoor floors * TPI: 50 TPI * WEIGHT: 12x1.90 260g / 16x1.90 360g / 18x1.90 420g / 20x1.90 450g / 24x1.90 560g / 24x2.10 670g / 26x1.90 605g / 26x2.00 640g / 26x2.10 740g / 26x2.25 820g ** ETRTO:** * SCM800: 47-203 * SCM801: 47-305 * SCM802: 47-355 * SCM803: 47-406 * SCM804: 47-507 * SCM805: 54-507 * SCM806: 47-559 * SCM807: 50-559 * SCM808: 54-559 * SCM809: 55-559