PHOTOS: 2017 Callaway Golf Great Big Bertha (GBB) Epic drivers

PHOTOS: 2017 Callaway Golf Great Big Bertha (GBB) Epic drivers


The 2017 Callaway Golf line of Great Big Bertha (GBB) Epic line of drivers were leaked a little early, with photos hitting the interweb sooner than the company had hoped. However, weeks later, three drivers under the GBB Epic family have hit the USGA's list of conforming driver heads.

2017 Callaway Golf GBB Epic driver

There are three different Great Big Bertha Epic drivers: the GBB Epic, the GBB Epic Sub-Zero and the GBB Epic Star.


The GBB Epic would, presumably, fit the most golfers in the marketplace, with some use of carbon fiber, a black and green color scheme. On the back of the sole is a sliding weight track that can set shot-shape bias. There are also markings for something called Jailbreak technology, with theories suggesting that two bars (kind of like a jail, probably made of titanium) connect the sole and crown of the driver to deliver improved ball speeds, working around the USGA's limits on coefficient of restitution. That would be pretty great.


As for the Sub-Zero, this is likely to be a low-and-more-forward center of gravity option for some better players and those who don't tend to hit up as much on the driver. It has a weight in the back and lacks the shot-shape weight track.


The Star model doesn't have a dead giveaway of the difference between it and the standard Epic. We'll just have to wait and see on that one.

Surely the wait will end soon to learn more about these drivers. Meanwhile, golfers salivate over the possibilities.


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