Force USA Olympic Z Barbell – EZ Curl Bar for Biceps and Triceps TrainingForce USA Olympic Z Barbell EZ Curl Bar for Biceps and Triceps Training The Force USA Olympic Z Barbell also known as the EZ Curl Bar is a professional grade Olympic bar engineered to reduce wrist strain while maximizing arm development. With its ergonomic angled shaft design this barbell provides a natural grip position that reduces torque on the wrists and elbows during curls extensions and presses. This makes it the ideal bar for building biceps