The Hardo Powerlifiting Bar is a flexible bar as much you load the more it flex.Bar Weight – 20 KgShaft Diameter – 28mmSleeve Diameter – 50mmKnurl – 1.5mmBar Length – 7.2 FeetLoadable Sleeves – 15.2 InchesBushing and Bearing – 2 Bronze Bushing & 4 Needle BearingMax Load – 900 KgDrop Tested – 400 Kg