AutoFlex 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.

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Russ

Kai’li Dark Waves Golf Shaft Reviews

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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

The Kai’li Dark Waves series of shafts is included in the 2025 TaylorMade Custom Shaft Options catalog as a no upcharge shaft. The Kai’li name goes back to to my early days of shaft profiling. When it was used as part of the Diamana model family I recognized as a Blue Archetype. Over the years the name was reused in 2023 with White, Blue and Red models. I have limit access to the new Dark Wave Kai’li models from the TaylorMade shaft options catalog which will be expanded as missing models arrive. Rather than posting separate reviews for each model I will cover the White, CB, Fairway and Hybrid models is this overview.

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Russ

Mitsubishi Kai’li Red Fairway Shaft Review

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Mitsubishi Kai’li Red FW Shaft Review

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 Kai’li Red FW is a close profile match the the Mitsubishi Thump F shaft that has been in my bag for years. This shaft has been offered by TaylorMade since 2002. In the 2004 custom shaft list, it is still available at no upcharge. the real beauty of this shaft is that it is a profile match to the Mitsubishi Diamana T+ which I just reviewed. It is offered in heavier weights than the T+ and therefore is a great fairway compliment to the Diamana T+ driver shaft.

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Russ

Fujikura Ventus TR Blue Fairway Shaft Review

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Fujikura Ventus TR Blue FW Driver Shafts Review

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 are so many versions of the Fujikura Ventus shafts it is exceedingly difficult to sort them out. What I have noticed with this shaft is the TR logo is on a silver background. Most TR logos are against a gold background. This chart is a comparison of the 6S shaft’s hoop deformation of the silver TR and the gold TR. The original woven carbon which Fujikura calls TOW creates a significant reduction of hoop deformation and an increase in strength of the shaft where it is applied. The silver background TR does not and one can only assume it is a marketing graphic only. These shafts do not contain the same weave applied in the premium versions of the Ventus TR shafts.

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Russ

Mitsubishi Tensei AV Limited Driver Shafts Review

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Mitsubishi Tensei AV Limited Driver Shafts Review

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 Mitsubishi Tensei AV Limited Shaft is available as a stock shaft in the 2024 TaylorMade Oi10 Drivers and Fairways. While most of my reviews are for premium shafts, many want to know about the standard shafts in off the rack drivers. There are three versions of the shaft, Blue, Fairway and White. The each is modeled on the classic Mitsubishi archetypes.

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Russ