The 20-kilogram version of the REP Fitness Colorado Bar measures 86.6 inches long with a loadable sleeve length of 16.1 inches. With a shaft diameter of 28.5 millimeters and a sleeve diameter of 50 millimeters, it can fit Olympic weight plates with no issues. Meanwhile, the 15-kilogram model is 79.1 inches long with a loadable sleeve length of 12.4 inches, a shaft diameter of 25 millimeters, and a sleeve diameter of 50 millimeters.