SCHWALBE MARATHON GT TOUR PERF TWIN DUALGUARD 700x38 BK/BK/REF ENDURANCE E50 WIREThe 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