Selling my Ultimate bike repair stand for $50 since I recently acquired a pro stand. I have built several bikes on this stand and it has served me well. The plastic collar on the has cracks but can still clamp when tightened all the way (see photos). I never have a need to extend the height since I am shorter so it has not been an issue for me. New collars are also available online:

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I am located by Rivergate Plaza shopping center at the intersection of Steele Creek and South Tryon. 

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