Mitsubishi Diamana BB Driver 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

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