2012 OBV Oz Tower Diameter

Can some one tell me the diameter of the tubing on Oz tower for 2012 OBV. Forgot to measure before I left Norris Sunday. Searched the forum, owners manual, and even called Skiers choice with no success. Thought this crew may have the answer.
Thanks in advance!!


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I believe the diameter on mine ('13 OBV which is likely the same as your '12) is 1 7/8" but hopefully someone can confirm for you.