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Technology / Specs
Callaway Epic Flash Sub Zero Driver
Callaway’s Epic Flash Sub Zero driver is a high-MOI, low-spinning distance machine thanks to the following features.
The face of the Callaway Epic Flash Sub Zero driver is more than just pretty. It has hidden technology, called Flash Face.
Flash Face is developed using Artificial Intelligence (A.I.) and machine learning to cycle through 15,000 face iterations to find the best design. The resulting design boosts ball speed across the face and especially in the center.
Jailbreak Technoogy makes a return in the Epic Flash Sub Zero driver. As a refresher, 2 vertical bars behind the face connect the crown and sole, adding stiffness at impact for better energy transfer to the golf ball. More energy transferred to the golf ball means more ball speed and distance.
Adjustable Perimeter Weighting
The Epic Flash Sub Zero driver has an adjustable perimeter weight to control the ball flight. Move the weight towards the heel to promote a draw and towards the toe for a fade bias.
The weight weighs less than the one found in the Epic Flash driver. This is because of fixed, heavier weight closer to the toe. Placing the weight there produces penetrating launch with lower spin.
T2C Triaxial Carbon Crown
At address, the Epic Flash Sub Zero driver has a different look than recent Callaway drivers. A new T2C Triaxial Carbon crown dominates most of the top. This new crown is lighter than before, allowing weight to be redistributed to the rest of the head, boosting forgiveness.
The lighter weight also means that the strength of the crown needed improving. Callaway designers addressed this by using a tighter weave in the carbon.
You can adjust the Epic Flash Sub Zero driver with the company’s OptiFit hosel. Using the tool, you can change the loft a total of 3 degrees and open or close the face to help with a fade or draw, respectively.
To adjust, unscrew the head from the shaft with the provided tool. Then line up the desired cog settings with the dash on the shaft and head. Finally, screw the head and shaft back together until you hear the tool click once.
Below are the stock options for the Callaway Epic Flash Sub Zero driver. The stock shafts offered for the Epic Flash Sub Zero include the Project X Even Flow Green, Mitsubishi Tensei AV Blue, and Project X HZRDUS Smoke. The Even Flow Green is the lightest shaft with mid launch and spin. The Tensei AV Blue is heavier, also with mid launch and spin. The HZRDUS Smoke is the heaviest, lowest spinning, lowest launching stock shaft Callaway offers.