Project X HZRDUS Black Gen 5 Driver Shaft Review

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TrueTemper HZRDUS Black Gen 5 Driver Shaft

By Russ Ryden, Fit2Score, A Dallas Fort Worth Club Fitter & Builder
The Highlands Performance Golf Center, Carrollton Texas 
Golf Digest Certified America’s 100 Best Club Fitter

The TrueTemper Project X HARDUS Black Gen 5 is another no upcharge option in the 2026 Taylormade Custom Driver / Fwy shaft options. The 2026 TaylorMade fitting system designates shafts to match a player’s rotation profile as follows:
HR – High Rotation Designed for players who release the club early, with the shaft lining up with the lead arm before or at impact. The shaft is a soft-tip profile to aid in closing the face.
MR – Mid Rotation Designed for players with a neutral release, with the shaft lining up with the lead arm just after impact. The shaft is a middle-of-the-road tip stiffness.
LR – Low Rotation Designed for player who hold the release, with the shaft lining up well after impact. The shaft tip is stiff to prevent the face from closing too quickly.

the HZRDUS Black Gen 5 driver shafts are rated with this system and noted in the charts below.

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Russ

AutoPower Snipe Shaft Reviews

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Korean Hidden Technology AutoPower Flex Driver / Fairway and Hybrid Shafts

By Russ Ryden, Fit2Score, A Dallas Fort Worth Club Fitter & Builder
The Highlands Performance Golf Center, Carrollton Texas 
Golf Digest Certified America’s 100 Best Club Fitter

Korean Hidden Technology AutoFlex Driver shafts came to the US market several years ago. I saw one in 2021. They cause a sensation with a $790 price point. They were very light weight and started a trend for light weight driver shafts. Ultimately the recreational US golfer was not ready for light weight shafts at that price point.
I met with Korean Hidden Technology at the PGA 2025 merchandise show and shot an interview in their booth. It is on the list of videos that need to be published. They followed up with a shipment of review samples of every SKU they make. This is the first of many reviews of the 100+ shafts that arrived. They have created heavier, stiffer shafts for the US market. And, in many models they offer matched driver, fairway and hybrid shafts.

To continue reading this section of the review, you must be registered at a higher level membership.
Russ

Aretera EC1 Blue and Gray Golf Shafts Review

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Aretera EC1 Driver Shafts – Blue and Gray

By Russ Ryden, Fit2Score, A Dallas Fort Worth Club Fitter & Builder
The Highlands Performance Golf Center, Carrollton Texas 
Golf Digest Certified America’s 100 Best Club Fitter

I have known Alex Dee one of the founders of Aretera for a very long time. He was an early coach in my journey of golf shaft technology. This is the first of many video productions with Alex: https://youtu.be/DTu75Ue-udQ?si=6UKpwM8eXMKfu1zQ

The first Aretera products are driver shafts, Blue and Gray. They are both covered in this review.

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Russ

Mitsubishi Diamana BB Driver Shaft Review

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By Russ Ryden, Fit2Score, A Dallas Fort Worth Club Fitter & Builder
The Highlands Performance Golf Center, Carrollton Texas 
Golf Digest Certified America’s 100 Best Club Fitter

I have been fitting with Mitsubishi Diamana Golf Shafts since I started my fitting business. The Blue Board Archetype is the most copied shaft profile in the business. The soft mid profile delivers forgiveness to the often erratic tempo of many recreational golfers. the last three generations of the Diamana have changed very little. The Diamana BB is a significant change.

This chart compares the torque of the last four generations of the Diamana Blue golf shafts. Mitsubishi tells us high modulus 46 ton fiber was used in the bias plies and 80 ton fiber is used in the butt section of the Diamana BB. It is evident that torque, as claimed, has been reduced. The torque of the BB is 0.4 degrees lower than earlier models.

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Russ

AutoPower Flex Shaft Review

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Korean Hidden Technology AutoPower Flex Driver / Fairway and Hybrid Shafts

By Russ Ryden, Fit2Score, A Dallas Fort Worth Club Fitter & Builder
The Highlands Performance Golf Center, Carrollton Texas 
Golf Digest Certified America’s 100 Best Club Fitter

Korean Hidden Technology AutoFlex Driver shafts came to the US market several years ago. I saw one in 2021. They cause a sensation with a $790 price point. They were very light weight and started a trend for light weight driver shafts. Ultimately the recreational US golfer was not ready for light weight shafts at that price point.
I met with Korean Hidden Technology at the PGA 2025 merchandise show and shot an interview in their booth. It is on the list of videos that need to be published. They followed up with a shipment of review samples of every SKU they make. This is the first of many reviews of the 100+ shafts that arrived. They have created heavier, stiffer shafts for the US market. And, in many models they offer matched driver, fairway and hybrid shafts.

To continue reading this section of the review, you must be registered at a higher level membership.
Russ

Graphite Designs Anti-Gravity Driver Shaft Review

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Graphite Designs Anti-Gravity Driver Shaft

By Russ Ryden, Fit2Score, A Dallas Fort Worth Club Fitter & Builder
The Highlands Performance Golf Center, Carrollton Texas 
Golf Digest Certified America’s 100 Best Club Fitter

There have been a number of ultra light driver shafts in 2024. I attribute this to the autoFlex original ultralight shaft. It is a uniquely light weight shaft that was popular in Asia. When released in the US it got the attention of many, including a few tour players. I have not found many US players that swing as slow or as smooth as a light weight soft shaft requires. That fact is echoed in the 2025 release of the a heavier stiffer model line from Korean Hidden Technology for the North American golfer. I will soon get to measure both the AutoFlex and AutoPower shafts.

The Graphite Design ultra light weight Anti-Gravity aG33-3 is a few grams lighter than the now discontinued Chichibu reviewed in 2018. The Anti-Gravity is made with the latest TORAYCA M40X carbon fiber. It is a few grams lighter and slightly firmer in the mid and butt section than the earlier Chichibu.

To continue reading this section of the review, you must be registered at a higher level membership.
Russ