What Is 5.5 Flex in Golf?
You’ve likely seen it stamped on a golf shaft while browsing in a shop or looking at a playing partner’s clubs: 5.5. This seemingly random number can be confusing. Is it stiff? Is it regular? What kind of golfer is it even for? Understanding that number is a big step toward understanding your own equipment needs. This guide will break down precisely what 5.5 flex means, the type of golfer it’s built for, and how you can figure out if it’s the right fit for your swing.

