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
Graphite Designs Anti-Gravity Driver Shaft Review
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.
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Russ