The Marathon GT Tour is made pavement but performs well on almost all terrain. Round profile with smooth center running chevrons and textured and siped shoulder sections for versatile grip. DualGuard puncture protection resists both punctures and sidewall abrasions. EBIKE50 - has achieved a passing rating for use with E-Bikes up to 50kph and is ECE-R75 approved. REF - Reflective sidewall striping or hotpatch to aid in low light visibility. Twin Skin - An additional rubber coating on the side protects against cuts and allows for uniform coloring. *Please note that EBike rated tires also can be used with non-Ebikes and are generally more durable than standard tires