Good all-around tread for offroad use on all terrain types with alternating center lugs and staggered shoulder lugs. Addix performance compound improved offroad grip over rocks and rough terrain. TR - Tubeless ready for use with all cycling approved sealants for leak free tubeless use. EBIKE25 - has achieved a passing rating for use with E-Bikes up to 25kph and is ECE-R75 approved. 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