The sweeper head is a heavy head. When you pick up one with the steel shaft and hold it in the middle of the shaft it will bend a bit (if you raise it up and down). The Accra will as well, but less than the steel. And the Gears will bend less than the Accra. I feel a little bit of release with the Accra. Like when you are using an iron with a soft tip. Not a lot, but a bit more than with the Gears. It rolls softer. That's about the extent of it.