The york spinlock e z curl bar weighs 51kg 11lbs and is made of chrome plated solid steel the curl bar with maximum capacity of 125kg 275lbs includes spin lock collars ensuring comfortable and quick plate changes standard 1 diameter thanks to the fact that the bar is strategically bent it can be held in a very comfortable position even during intense workouts the york spinlock e z curl bar has zigzag grips that allow athletes to keep their wrists in a more natural position that redu