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, but with a durable trekking tread. For E-tours on the road or unpaved surfaces. Of course, it has a high-quality carcass (67 EPI carcass), specialized Energizer-compound and ECE-R75 certification for E-Bikes of all classes.