4 Wheel & Off Road - - WHEEL & TIRE TECH 101 -

Look inside al­most any wheel and you should find var­i­ous mark­ings that give you pertinent in­for­ma­tion on the wheel. Typ­i­cally, they’re marked on the rim. Just for con­ver­sa­tion sake, we’ll take into con­sid­er­a­tion a wheel that is marked “19x7J ET38.” The first num­ber is quite ob­vi­ous and rep­re­sents that the wheel is 19 inches in di­am­e­ter, while “7” is the width of the wheel and mea­sured from the dis­tance be­tween the flanges that sup­port the bead. The “J” refers to the shape of that flange; eas­ier to un­der­stand if you imag­ine a steel wheel on which the lip is rolled over like a J. “ET” may or may not be present, and if you do see it it’s the ab­bre­vi­a­tion of ein­press tief, Ger­man that trans­lates lit­er­ally as “pushed in depth,” or off­set. The “38” is the off­set mea­sure­ment.

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