This listing is for ONE quality Schwalbe tyre Type: Wired Execution: SmartGuard Compound: Addix Colour: Black with reflective sidewall Pressure: 30-70 psi Tubeless Ready: NO E-Bike Rating: E-25 Weight: 1100g Size: 50-559 (26 x 2.0) THE FLAT-LESS TYRE. Schwalbe‘s best selling model. The most puncture resistant pneumatic tyre there is. In addition to the superior puncture protection it features many inner values: - ROLLING RESISTANCE- The patented, 5 mm thick SmartGuard layer, when compared to all generic products, has a significant advantage in rolling resistance. - E-BIKE READY- Due to its great properties Marathon Plus is an ideal choice for E-Bikes (E-25). The main sizes are approved and tested for E-bikes up to 50 km/h.