The LAGolf Partners Tour AXS family of golf shafts includes matching iron shafts that have similar profiles to the driver shafts. They are all .370 tip parallel shafts. Lets take a look at the LAGolf Tour ASX iron shaft data.
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Fujikura offers a Tour Spec version of most model. The Speeder Evolution Tour Spec model is different enough from the Speeder 757 that it deserved a separate review. This shaft is one of the standard option in the 2015 TaylorMade R15 driver. It is manufactured by Sino in China unlike the Speeder which is made in Japan.
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However it is not that easy to forecast how a shaft will launch in your hands. In this illustration the softest of the Speeder Evolution Tour Spec, the 661S to the 757X are subjected to progressively heavier loads. You can see how much more the 661S bends than the 757X. And, how the intersection of the two curves moves under load. The launch of a shaft is a function of how you load it.
The objective of the professional fitter is to find that combination of shaft profile, weight and stiffness that creates the tightest impact pattern, centered on the club face. Then to the degree possible, fine tune your launch with close variations of profile, weight and flex. Doing so is enhanced by how much your fitter understands the golf shafts he is using.
The Fujikura Speeder 757 was my introduction to premium driver shafts many years ago. The Speeder brand name disappeared for many years. It was brought back a few years ago as the Motore Speeder, a complex matrix of 26 shafts, featuring 3 launch designs, each in an array of weight and flex. In late 2013 the Speeder brand was reintroduced with 8 shafts, numbered like the original Speeder. The Fujikura Speeder Evolution came to the golfing public in 2015. It is designed to handle the heavier driver heads we are now seeing. As you can see in this illustration, the tip is stiffer and there is a tip-mid stiffness adjustment as part of the design update.
Like all of the Speeder models from Fujikura the profiles are consistent throughout the model. As the weight increases so does the stiffness. The Speeder 474 R2 weighs 48 grams uncut. The weights and stiffness ascend from a 4″ deflection yielding 5.8 lbs for the 474R2, and 8.6 lbs for the 79 gram 757X. The raw shafts are 47″ long, not the typical 46″.
Lets take a look at the profiles, they vary by model:
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The Speeder Evolution is a classical design, mid soft in relation to a stiffer butt and tip.This design is a good fit for the majority of golfers. We can see the research done on the 3D ENSO system shaping the butt to create softer handles.
An interesting aspect of these shafts stood out during hoop stiffness testing. A significant ‘bump’ of hoop stiffness in the high midsection of the shaft. If you look at the EI curves you will see this is where the shaft is quickly descending in stiffness. At that point, an ultra high modulus hoop ply was added to preserve shaft stability.
Hoop stiffness is a function of wall thickness. near the tip, where the wall of the shaft are thick, the hoop stiffness is high. This graphic shows hoop deflection measurements. The less deflection, the stiffer that area of the shaft is. This is hoop stiffness, not bend stiffness. Hoop stiffness relates to the shaft ovalizing. The lower the number, the less oval deformation I measured. So, the dips you see are increases in hoop stiffness. The design objective in the Fujikura Speeder Evolution is to create shaft stability, and hence feel, in the section of the shaft where to majority of the load related bending occurs. What you see is the result of engineered wall thickness and high density pitch fiber pregreg in the hoop orientation, stabilizing the mid/butt region of the shaft.
An interesting discussion on another golf forum contained this comment, “This is the answer to all the “profile is profile” theorists – whose claim is that if I match bend pattern, weight, balance point and frequency then my $12 shaft is the same as your $175 shaft. Torque progression and distribution aren’t as handy to quantify but are essential elements in any high-performance design, and aren’t to be had for peanuts.” We see in the Speeder Evolution design is what this writer was talking about. A highly evolved design using the latest high density fibers, fiber orientation and wall thickness control to create a performance enhancing golf shaft.
Many of you have probably seen a KBS Tour 105 shaft in stock TaylorMade RSi 1 and RSi2 irons. As of the date this review was published this shaft is not available in the USA after market, the review samples were shipped from the KBS factory in Taiwan.
The KBS Tour 105 used in the TaylorMade RSi’s are parallel shafts. A taper version will soon be available to club makers in the USA. For those that are not club makers and are not familiar with the terms parallel and taper let me explain. This illustrations shows the bore in the hosel of a club head. Some heads, like the RSi1 and RSi2 have parallel bores. The hole in which the shaft is inserted has parallel sides. They are typically 0.370″ diameter. They are designed for parallel tip shafts. Heads designed for constant weight taper tip shafts have a tapered bore. The bottom of the hole is 0.355″ diameter and slowly increases in diameter.
Taper tip shafts are sold in sets. Each shaft in the set is specifically designed for a particular iron, 3i, 4i, 5i, etc. The shaft lengths in the set are in 1/2″ increments and typically weigh the same despite being different lengths. The stiffness of the shafts is set by the designer. The shafts are butt trimmed by the club maker to get to the lengths needed for you set. Parallel shafts are sold individually, one length for the entire set. They are tip trimmed by the club maker to create stiffness for the different irons then butt trimmed to create the lengths needed for the set. Because they are trimmed from both ends, the shaft weight gets lighter as it gets shorter.
The balance of sets made with constant weight tapers and parallels is different. You should not attach a value judgement to that fact. But you should realize that if you are accustomed to the balance of one design, changing designs will affect your game despite the fact that the swing weights will be the same. If you want to learn more about this it is explained in greater depth in the technical article, Parallel and Constant Weight Iron Shafts.
Now that you have a basic understanding of Parallel shafts, lets take a look at the KBS Tour 105 parallels.
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The after market addition to the KBS Tour line of shafts, the 105 constant weight tapers is coming soon. Stay tuned, 105 grams is a great weight and will be a great compliment to the CTaper light in a fitting system matrix of shafts.
The Graphite Design Tour AD Hybrid is the second hybrid shaft released in 2015. It follows the YS Reloaded, the YS has long been one of my favorites. The Tour AD HY is the fourth version of the Tour AD hybrids, but it is the first I have reviewed. Like most, my primary focus is driver shafts, then iron shafts. The hybrid in recent years is seen as an extension of the iron set. The early hybrids, were too long and did not gap properly into most golfers bags. Over the last few years the trend has moved toward shorter shafts lengths and a view toward integrating the gapping of the set from the longest irons you can hit well into hybrids. Most sets I build recently contain 2 or more hybrid style heads, both traditional hybrids as well as driving irons.
When do you take that step, breaking away from your iron set and blending in a hot faced driving iron or launch enhancing hybrid head? Its a simple answer actually. When you see your gaps collapse its time to get the next longest club built in a way to maintain consistent gapping between clubs. And there are many ways to do that which extend beyond the scope of this reviews. One aspect of getting more club head speed and higher launch is changing to a lighter, higher launching shaft. This is where we enter to world of hybrid shafts.
Higher launch is easy, make the tip softer. All to often, especially in stock shafts, this comes with higher tip torque. I have been playing exotic carbon fiber, low tip torque shafts for a very, very long time. The problem in this realm is the gag reflex I get from most golfers when they learn that a great hybrid shaft can be more than what they typically see hybrid clubs sold for. The Graphite Design Tour AD HY is one of those exotics, retailing at $175 uninstalled. Is it worth it? Time after time, when I finish the fitting objective I am working on with a client I hand them my hybrid and ask them to try it. And time after time, the reaction is the same, the OMG moment. Then sticker shock.
A properly fit, high quality hybrid shaft is a long term investment. You might change heads as head technology evolves, but that properly fit hybrid shaft stays with you and moves into the next head. In my bag, that pair of hybrid shafts have been with me for going on 8 years.
What is special about a great hybrid shaft? Three aspects, high launch propensity, tip stability and weight. I will discuss each of these as it relates to the Graphite Design Tour AD HY measurements shown here.
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This discussion about Graphite Design Tour AD shafts occurred at the PGA Merchandise show, January, 2015. To see more video like this visit the DevotedGolfer Youtube Channel.
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When we get back to back wins 2013 in the Scottish Open and the British open the shaft in the bag of the Phil Mickelson gets a lot of attention. Well, it turns out it was it a tour prototype that is now available. It is an unusual profile for steel but not unique. Here is a look at the KBS Tour V which now is the stock steel shaft in the 2014 Callaway Apex Pro Irons. It has a long handle, every so gently declining in stiffness until the about 14″ from the tip. Then it declines rapidly. I have heard Kim Braly refer to the design as ‘fast tip.’
It is noteworthy to mention that the stock graphite in the 2014 Callaway Apex Pro is the UST Recoil. An interesting choice of premium shafts, in a classy players design iron head.
The technical discussion, measurements and testing results are available only to registered readers
Within the golf club fitting and building community there are now three methods to understand bend profiles of shafts. A future technical article will discuss the history and methods of the systems. The 3 point bend system used in these reviews is classical textbook engineering for beam measurement. It is the language spoken by the vast majority of golf shaft designers and engineers. That is why I built the Fit2Score software around this measurement methodology.
I tested a review sample installed in a Miura CB-501 on the range and was surprised at how tight my ball flight dispersion was. I had expected more variation from the soft tip. That was not the case, the balls were flying true despite a heavy cross wind the day I was testing. As with any golf shaft, you will not know if it is right for your swing without testing it.
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The Highlands Performance Golf Center, Carrollton Texas 
