Technology / Specs

Callaway uses new “Jailbreak” technology in the GBB Epic driver. Two bars are placed behind the face, connecting the crown and sole. This reduces flex at impact and transfers that energy to the golf ball, increasing ball speed and distance.

The GBB Epic driver is made of a titanium exo-cage and triaxial carbon. This makes the head lighter. The saved weight is redistributed to create more forgiveness.

Callaway redesigned the adjustable weight on the sole. They made it 7 grams heavier than the Great Big Bertha driver. The redesign allows for more shot-shaping control.

The GBB Epic driver features 4 stock shaft options in various weights; Aldila Rogue Max, Fujikura Pro, Project X HZRDUS, and Mitsubishi Diamana Green. More custom shafts are available for no up-charge.
Read more about the GBB Epic driver here.
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