Product Review: True Temper GS75

The True Temper GS75 – touted as the world’s lightest steel shaft – was one that I had put an asterisk next to it when we first heard of the introduction from our True Temper representative. While shafts of slightly higher weight had been made in Japan since the earlier part of the 1990’s, those shafts were dedicated to golfers who possessed low clubhead speeds (A-flex offerings), yet the GS75 was coming out of the block in standard R and S flexes.

For the catalog we like to obtain samples so that we may include them in the annual Shaft Fitting Addendum as well as additional information in the catalog regarding swing speed ratings. The static testing is done primarily in the winter months to measure the frequency, torque, flex distribution, etc. However, being located in the Midwest, it takes longer to field test the products once the weather decides to cooperate.

The GS75 on paper will appear to be very flexible, as evident in the data laid out in the Shaft Fitting Addendum. But as I have said many times over the years that you need to compare shafts of like weight in order to obtain a true apples to apples comparison. Well unfortunately the GS75 does not have any peers as the closest shaft would be the Apollo Spectre Lite weighing in at 10 grams heavier at comparable cut length.

Just by bending the club with my hands or waggling the club, it confirmed that this shaft was indeed more flexible than any I had tried, including many L-flex shaft. However, applying the acid test – hitting balls and watching the ball flight – I was pleasantly surprised. The shaft didn’t feel flexible at all. The S-flex model I made up for me was honestly as stiff as the majority of S-flex steel shafts, even knowingly cognizant of the fact of what all the data indicated.

I had a fellow golfer at the range hit the demo club. His Ping iron was equipped with a CS Lite S-flex (very similar to the True Temper TX-90) which he hit side-by-side. I only told him that it was an S-flex club, but he still had to look at the label to confirm. I asked which of the two felt stiffer and his response was the GS75.

We all have a lot to learn not only about shaft fitting, but shafts in general. I remember years ago when Royal Precision came out with the Precision FCM Lite (pre-Rifle days), there were frequency-matched to be identical to their heavier counterpart. While the FCM Lite was no where near as light as the GS75, I do remember what a boardy-feeling shaft it was compared to the standard FCM shaft, even though they had identical frequency reading and theoretically should have felt the same.

I guess my point is regardless what the numbers indicate, if you are looking for an extremely lightweight shaft, but like the control you get with steel, the GS75 might be for you. This is a shaft not to go by the frequency numbers (deflection or any other information that can be derived from any static testing) and taken off your list of shafts to try because of it. As indicated in True Temper’s product literature, the ball flight is indeed higher too.

5 comments

  1. Richard Caudill says:

    Jeff – – I played the GS75 in a S flex this past season and was very pleased with the shaft. The ball flight was a little higher which made for a softer landing on the green.

  2. Rancho says:

    I’m really confused by the GS75. I bought 5 of them to see how they worked and have a “spare” 5 iron head that I was going to install onto one of them.

    Before I planned to, I put the shafts and head onto my ClubScout to measure the frequency of the shaft & head. By strict number, the shaft marked stiff flex was much closer to senior or ladies flex by sheer numbers.

    Why would the weight of the shaft be relevant to the frequency? If a GS75 measures out at senior or ladies flex, why isn’t that the flex? Where does weight enter the equation?

    Thanks!

    Rancho

  3. Jeff Summitt says:

    Rancho:

    The walls are incredibly thin on this model and as a result do not resist deflection nor record a high frequency number as compared to heavier shafts of like flex designations as you have found. Does that mean the S-flex plays the same as an A-flex (or L-flex) shaft since it has a similar frequency? Realize that this shaft is made with a different alloy of steel so we are not comparing apples-to-apples. Plus also note the larger outside diameter along the length of the shaft. The frequency analyzer is only one measurement of the shaft’s stiffness and there may be several other parameters that factor into the dynamic stiffness of the shaft.

  4. Richard Caudill says:

    Jeff- – I just broke two TT GS75 S200 shafts. Both shafts broke under the grip. One broke during the back swing and the other after contacting the ball. I have pulled all GS75 shafts.

    Do not have a clue as to why they broke.

  5. JayBee says:

    These shafts remind me of True Temper’s Super Lite shafts with the goofy red shaft label that came out about 20 years ago. The butt ends were so thin in order to reduce weight they broke under the grip when hard swingers drop their hands and club on the shoulders after their swing.

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