Callaway GBB Epic Sub Zero Driver

GBB Epic Sub Zero is so-named because it heralds a true paradigm shift: A powerful, low-spinning Tour-level driver that’s also incredibly forgiving -- an unheard of combination.

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GBB Epic Sub Zero Driver

Epic Distance and Forgiveness

GBB Epic Sub Zero is so-named because it heralds a true paradigm shift: A powerful, low-spinning Tour-level driver that’s also incredibly forgiving -- an unheard of combination. Its high speed / low-spin characteristics make it particularly appealing to Tour pros, yet Epic Sub Zero is so exceptionally forgiving and easy to launch that a wide range of players will want to play it.

Increased Distance from Jailbreak Technology

Innovative new technology changes how the head and face behave at impact to promote more speed across a larger area of the face for increased average distance.

More Forgiveness and Lower Spin from Exo-Cage Construction

Innovative head construction unites our titanium Exo-cage with an ultra-light triaxial carbon crown and sole, allowing improved perimeter weighting for more forgiveness and makes it possible to position the CG in line with the neutral axis, which lowers spin.

Spin Control and Trajectory Control from Interchangeable Weights

Two interchangeable weights in the head (2g and 12g) to adjust spin-rate and launch angle. Put the 12g up front to lower spin; in back for higher launch and higher MOI.

Faster Head Speed from Industry-leading Aerodynamics

Streamlined head incorporates our proprietary Speed Step, created with direct input from aerospace experts, to improve airflow for more swing speed and distance.

Four High-Performance Stock Shaft Options

Diamana M+, Fujikura Pro, Project X HZRDUS, and Aldila Rogue M-AX. Each premium, Tour-proven shaft is engineered to promote speed, power, stability, feel and control.



Epic choice!
Very happy with my Epic sub zero so far! Too bad the season is over with this cold weather here already.
Great price. Free delivery
Great price. Free delivery
Excellent quality at a good price
excellent driver, but expensive
Epic Sub Zero Driver
This is a great club, now that I have made the adjustment from a stiff to a regular shaft. Set at neutral I can both draw and fade a shot as needed.Love it!
Nice Driver
I had a Titleist 905 8.5 degrees and changed it for the Epic Sub Zero, no regrets
Solid Feel and Sound
After spending some time on the driving range with my new Epic Sub Zero and adjusting the loft slightly, I am very happy with this club's performance. Consistent launch angle and a slight draw are a welcome addition to my bag plus I'm averaging 15 to 18 yards more distance with the Epic. Highly recommend this club for the lower handicap player.

Expert Review

Written By: Bob Gomavitz

Player Stats:
    • Age: 57
    • Handicap: 4.6
    • Years Playing Golf: 45

Being an absolute equipment junkie, I was approached by to write reviews and share my findings with you. Having been chosen to write a number of Taylormade product reviews for I felt that this is an excellent opportunity to put my knowledge to use.


Club Tested: GBB Epic Sub Zero Driver; Shaft: True Temper Project X T800 55; Flex: Stiff; Loft: 10.5°; Weight Alignment: 12-gram weight in rear port;

The Takeaway

The Callaway Great Big Bertha Epic Sub Zero driver includes the same Jailbreak Technology, Titanium Exo-Cage and Triaxial Carbon Crown as the Epic driver. One key difference to the Sub Zero from the standard Epic driver is the exchange of the sliding rear weight for two interchangeable sole weights (2-grams and 12-grams) that adjust spin-rate and launch angle. Putting the 12-gram weight in the front port creates lowers spin and higher launch and MOI in the back port.

Who's It For?

The Great Big Bertha Epic Sub Zero driver is a powerful, low-spinning, Tour-level driver geared towards players with higher swing speeds and players who create too much spin. Plus to 16 handicaps.

Final Take

Just like the standard Great Big Bertha Epic driver, the looks are just fantastic on the Sub Zero driver. Overall, this head has a cleaner look on the sole, with only two small weights distracting your eyes from the mesmerizing carbon. And, I also liked the sound of the Sub Zero more than the Epic driver.

Based on my testing with the standard Epic Driver, I tested the Sub Zero with a 10.5-degree head and the heavier weight in the rear port for higher launch and MOI. Bingo! I was dialed right back in to my perfect ball flight. Even though visually I tend to prefer less loft to the face at address, the results of this driver make it easy to look past. A standout driver for 2017!


Page Created : 2019-04-22 07:58:34