Project X IO Golf Iron Shaft Review
By Russ Ryden, Fit2Score, A Dallas Fort Worth Club Fitter & Club Maker
The Highlands Performance Golf Center, Carrollton Texas
Golf Digest Certified America’s 100 Best Club Fitter
The Project X IO was released in 2020 with the Project X LS and shares the new True Temper look of a matte brushed chrome finish. It is in the same weight range as the discontinued Project X PXi but has a different EI profile. It is lighter and has a low tip to butt stiffness ratio to promote a higher launch.
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Russ
When I first wrote this review I did not notice that some of the shafts were marked with a very small TX below the stiffness number. This caused some confusion that resolved when the non TX 6,5 shafts arrived.
Looking at the EI profile of the Project X HZRDUS Smoke Yellow is like meeting an old friend you have not seen in a while. It is in many ways an updated of the