Tire Width, 80 Aspect Ratio %, 100 Wheel diameter, 21 Position, Front Construction, Bias Classification, Off road Tube, Tube Type (TT) Load speed, 51M (130 kmwithh with 430 lbs) Sidewall, Black Tire Size, 80with100 21 Number, 356004The Southwick II builds upon the success of the original Southwick. There is no better tire for soft sandy conditions! Designed for sand and mud conditions Front and rear tread pattern offer tall kn ob dephts for deep bite Large radius support at know base reduces knob roll in soft areas with hard base Wide space between rows self cleans tread even at slow speed Standard compound allows for increased wear durability and offers quick warm up on cement start pads Lightweight 4 ply rated casing structure with reinforced sidewalls DOT Approved front tire Available in 5 popular sizes