This is one of the upgraded shaft options for the GBB Epic driver. 'Light' flex has high torque with a mid kickpoint. 'Regular' and 'Stiff' flex has mid-high torque with a mid kickpoint.
Project X HZRDUS T800 65 Optifit 2 Shaft Reviews
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Customize Project X HZRDUS T800 65 Optifit 2 Shaft
Customize Project X HZRDUS T800 65 Optifit 2 Shaft