Round profile with fast rolling center section and deep water evacuating grooves . Speedgrip compound improves handling and lowers rolling resistance. Schawalbe`s lightest version of the Marathon tire. Features Raceguard puncture protection belting and LiteSkin sidewalls for a durabable yet supple ride. EBIKE25 - has achieved a passing rating for use with E-Bikes up to 25kph. REF - Reflective sidewall striping or hotpatch to aid in low light visibility. *Please note that EBike rated tires also can be used with non-Ebikes and are generally more durable than standard tires