I bought this to do body pump at home, it's easy to handle as the length is perfect for me, and its easy to change weights quickly. As the diameter was on the wall when I bought it I knew the plates I had would fit. I am really pleased with it for the price. I would recommend it, I have been using it regularly for about 4 months now.
Q: Why do you need a 28mm barbell?
A: You don't but Decathlon obviously thought it would be a great idea if they locked your into their gym equipment range by selling you this useless lump of metal. They are creating a load of stuff that is incompatible with existing hardware just so they can make more money churning out stuff you don't need. F**k everything about this.