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Equipment Report

    Spotted: Callaway Epic Flash and Epic Flash Sub Zero drivers hit USGA conforming clubs list

  • Callaway's newest drivers are expected to hit the market soon. (Photos: USGA)Callaway's newest drivers are expected to hit the market soon. (Photos: USGA)

In January of 2017, Callaway launched new GBB Epic and GBB Epic Sub Zero drivers, each equipped with “Jailbreak Technology.” Essentially, the Jailbreak design consisted of two titanium rods that sat parallel behind the face, running from the crown to the sole in order to stiffen the structure. The rods helped to keep the crown and sole from flexing too much, and allow the face to flex more in order to transfer more energy to the golf ball. The standard GBB Epic had a sliding weight in the rear of the sole to effect fade or draw bias, while the GBB Epic Sub Zero had a fixed weight in the rear of the sole.

Then, in January of 2018, Callaway launched Rogue, Rogue Sub Zero and Rogue Draw drivers, each consisting of an hourglass-shaped Jailbreak design. The new titanium rods were thinner in the middle portion, like an hourglass, to help save weight, which was then displaced lower and rearward in the clubhead to lower center of gravity (CG) and boost forgiveness. All of the clubheads had fixed weights in their soles -- albeit in different locations in each model for different performance benefits -- so they were not CG-adjustable.

Now, as of December 1, 2018, new Callaway Epic Flash and Epic Flash Sub Zero (Version 1, 2, 2 LH and 3) drivers appear on the USGA conforming clubs list.

According to the photos and USGA descriptions, the drivers will be CG-adjustable via weight ports in the rear portions of the soles – much like the GBB Epic drivers from 2017 – to effect draw and fade bias. They also have adjustable hosels and Jailbreak technology, but it remains to be seen whether any adjustments have been made to that structure, and if the rods will have an hourglass shape or not. Also, the drivers are listed to have something called “Flash Face,” which would be a new design/technology from Callaway.

Since Callaway has yet to comment on the new drivers, we do not have information about the new technologies, release dates, pricing, or other specs. For now, we’ll simply have to speculate based on the information and photos provided by the USGA.

Check out the USGA conforming clubs list here or check out the descriptions/photos provided below via screenshots.

Callaway Epic Flash (9, 10.5, 11.5 degrees)


Callaway Epic Flash Sub Zero Version 1 (9, 10.5 degrees)


Callaway Epic Flash Sub Zero Version 2 (9, 10.5 degrees)


Callaway Epic Flash Sub Zero Version 2 LH (10.5 degrees)


Callaway Epic Flash Sub Zero Version 3 (9, 10.5 degrees)