The Schwalbe Smart Sam Plus MTB Tyre uses Double Defense GreenGuard protection. This is a combination of puncture protection with a 3 mm layer of GreenGuard under the tread and SnakeSkin on the sidewalls.  The Schwalbe Smart Sam Plus MTB Tyre comes E-Bike ready. Certain faster EBikes, up to 50 km/h, require specialist tyres and the Schwalbe Smart Sam Plus MTB Tyre is one of them. Valid throughout Europe the Schwalbe Smart Sam Plus MTB Tyre is ECE-R75 certified. If you're looking for lasting protection on your E-MTB the Schwalbe Smart Sam Plus MTB Tyre should be a priority upgrade.