Fast rolling directional tread with siping and larger horizontal corner lugs for improved cornering traction Fast rolling directional tread with siping and larger horizontal corner lugs for improved cornering traction Redesigned Racing Ralph with updated tread designed specifically for use as a front tire on modern day XC trails Addix SpeedGrip compound is Schwalbe`s all around performace upgrade compound well versed on all terrain and conditions EBIKE25 - has achieved a passing rating for use with E-Bikes up to 25kph and is ECE-R75 approved *Please note that EBike rated tires also can be used with non-Ebikes and are generally more durable than standard tires