Low tread depth center tread with evenly spaced interconnected lugs and larger more aggressive shoulder lugs for improved corner handling. TR - Tubeless ready compound is designed for use with all bicycle approved tire sealants for a leak free tubeless experience. EBIKE25 - has achieved a passing rating for use with E-Bikes up to 25kph. Twin Skin - An additional rubber coating on the side protects against cuts and allows for uniform coloring. ADX – Addix compound found on the Performance Line made to serve as an all-around well balanced compound for all uses. *Please note that EBike rated tires also can be used with non-Ebikes and are generally more durable than standard tires