As long as the battery lasts. Non-stop riding fun with the E-touring specialist Energizer Plus Tour. The 3 mm strong GreenGuard provides the same level of security as Energizer Plus. Equipped with a revised tread design which for years has successfully proven itself on the Marathon GT Tour, the Energizer Plus Tour is the ideal companion for E-tours on the road or unpaved surfaces. Of course, it has a high-quality carcass (67 EPI carcass), reflex sidewall, specialized ADDIX E-Compound and ECER75 certific ation for all classes of E-Bikes.