Marcy Hollow Curl Bar and Dumbbell Handle Set with Spring Collars

Are all ez bars like this? I got one and if I place my hands in the grip position I expect— between supinated and hammer the center of mass of the bar is under my hands by like an inch. Which is fine but then I curl up and the weight is now in front of my hands so I have to hold extra tight to keep the bar from rotating and I can feel the tension in my wrist trying to keep the bar from rotating. It feels awkward. Are all ez bars like this? Am I doing the movement wrong? Here’s the bar https://www.amazon.com/Marcy-Standard-Dumbbell-Collars-SDC-10-1/dp/B000ASDXOM