This section contains articles about golf shaft terms, technology and measuring.
The term EI is a method of measuring the bend profile of a golf shaft. It is the language of the golf shaft business, used by shaft engineers to describe and discuss the bending properties of shafts. In these reviews you will see enhanced averaged EI profiles of shaft models. They illustrate the how the shaft bends when loaded.
Torque of a shaft is how much it twists under load. It is a component of both performance and feel.
How a shaft performs in your hands is a complex matrix of factors. You cannot assume that a shaft that works well for your friend or a golf professional will work for you. It is like assuming that the clothes they are wearing will fit you. The affiliates of Fit2Score’s shaft profile database truly understand the shafts they work with and will find your perfect fit. This site has been in development for several years. In 2013 it moved from a flash site to what you see here. The reviews evolves as our understand of shafts grows. Unlike other aspects of a golf club, golf shafts have very few regulations. Shaft design is an evolving art, aided recently by advances in Radar ball and head tracking technology. The huge library of shafts reviewed here will give you some insight into this aspect of golf club technology.