90/100-21 FIRM + 140/80-18 GRIPPER ROAD LEGAL ENDURO TYRE DEAL. EMARKED ROAD LEGAL ENDURO TYRES which perform superbly. Awesome tread patterns that cannot be beaten. 90/100-21 road legal Emarked red stripe front enduro tyre. 140/80-18 road legal Emarked red stripe rear enduro tyre. Posted with 48 hour parcelforce.