Never before has an entry level Schwalbe tyre been this good. The K-Guard Puncture protection has been updated to provide even more protection. The 50 EPI carcass has been made smoother for improved rolling resistance and comfort and the Silica Compound has been given an update too to give the Lugano II race level performance at an entry level price. Key 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 / TPI: Silica compound - a special filler in the rubber mixture that improves rolling resistance and grip in the wet / 50 TPI WEIGHT: 700x25 (280g)