Equipment
Three Callaway GBB Epic drivers appear on USGA Conforming Club List
Three new Callaway drivers have appeared on the USGA’s Conforming Club List: the GBB Epic, the GBB Epic Star and the GBB Epic Sub Zero.
Callaway isn’t commenting on the new Great Big Bertha (GBB) drivers at this time, so we can’t officially confirm or deny any details about the new drivers. We do anticipate that one or more of the driver models could be in play this week at the Hero World Challenge in the Bahamas, however, where they will be permitted for us. We also can point out a few things based on the USGA’s black-and-white photos.
GBB Epic
GBB Epic Star
Based on the photos, it appears the GBB Epic and GBB Epic Star are virtually identical, with the exception being the lack of an adjustable hosel on the GBB Epic Star.
Both drivers appear to use a technology called “Jailbreak,” which is highlighted on the front of the driver’s sole. The technology is rumored to connect the sole and crown of the drivers, adding reinforcement that improves energy transfer.
On the other end of the sole is a sliding weight that enables golfers to select a draw, fade or neutral trajectory bias. There are also what seem to be carbon fiber inserts on the soles of all three driver models. Carbon fiber is lighter than titanium, and its use presumably enhanced the ability of Callaway engineers to optimize the weighting of the driver heads for improved performance.
GBB Epic Sub Zero
Instead of a sliding weight track, the GBB Epic Sub Zero has two adjustable weights — one on the front of the sole, and one on the back. That reminds us of Callaway’s XR ’16 Sub Zero driver, which is the company’s current ultra-low-spin driver. It design targets better golfers, and was used in 2016 by Phil Mickelson.
The Sub Zero got its name from its center of gravity position (CG), which Callaway says is below the neutral axis line, or “sub zero.” The XR ’16 Sub Zero uses a what Callaway called a Carbon Triax Crown, an extremely thin, lightweight composite material on the top of the driver that the company said enabled its sub zero CG location.
What are GolfWRX Members saying about the new drivers? Join the discussion in our forum.
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Whats in the Bag
Rasmus Højgaard WITB 2024 (April)
- Rasmus Højgaard what’s in the bag accurate as of the Zurich Classic.
Driver: Callaway Ai Smoke Triple Diamond (10.5 degrees)
Shaft: Mitsubishi Tensei 1K Blue 60 TX
3-wood: Callaway Ai Smoke Triple Diamond Prototype (16.5 degrees)
Shaft: Mitsubishi Tensei 1K White 80 TX
Utility: Callaway Apex UW (21 degrees)
Shaft: Mitsubishi Tensei AV Raw White 85 TX
Irons: Callaway Apex Pro (3), Callaway X Forged (4-PW)
Shafts: KBS $-Taper 130
Wedges: Callaway Jaws Raw (52-10S, 56-10S, 60-06C)
Shafts: KBS Tour 130 X
Putter: Odyssey Ai One Milled Eight T DB
Grips: Golf Pride MCC
Check out more in-hand photos of Hojgaard in the forums.
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Whats in the Bag
Rory McIlroy WITB 2024 (April)
- Rory McIlroy what’s in the bag accurate as of the Zurich Classic.
Driver: TaylorMade Qi10 (9 degrees)
Shaft: Fujikura Ventus Black 6 X
3-wood: TaylorMade Qi10 (15 degrees)
Shaft: Fujikura Ventus Black 8 X
5-wood: TaylorMade Qi10 (18 degrees)
Shaft: Fujikura Ventus Black 9 X
Irons: TaylorMade Proto (4), TaylorMade Rors Proto (5-9)
Shaft: Project X 7.0 (4-9)
Wedges: TaylorMade MG4 (46-09SB, 50-09SB, 54-11SB), Titleist Vokey Design WedgeWorks (58-K @59)
Shafts: Project X 6.5 (46-54), Project X 6.5 Wedge (60)
Putter: TaylorMade Spider Tour X3
Grip: SuperStroke Zenergy Pistol Tour
Ball: 2024 TaylorMade TP5x
Grips: Golf Pride MCC
Check out more in-hand photos of Rory McIlroy’s WITB in the forums.
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Equipment
Spotted: Nate Lashley’s Ping PLD “Wolverine” putter
Ping PLD putters have been a very common site on profesional tours. Pros seem to gravitate toward the PLD line’s custom options and precision milling. We have seen the PLD line expanded over the years, but we haven’t seen too many, if any, large mallets.
This week we spotted a PLD putter in Nate Lashley’s bag that has a similar look to the old Ping Wolverine head shape. This putter is a large mallet with the famous “claws” on the outside and oval center that housed the alignment aid.
Nick’s putter has the PLD logo on the back but also looks like it might have an insert installed on the face. It is hard to tell but at the address picture, it looks like the face is a lighter material than the rest of the putters. The putter is center-shafted and should be face-balanced with a high MOI for stability and forgiveness on mishits. The sole is completely milled and has no markings of name or technologies that might be present in the head. A single white site line is on the top of the putter for alignment.
Nick’s putter is finished off with a chrome steel shaft and a Super Stroke Zenergy Flatso 2.0 grip in black and white.
- Check out the rest of our photos from the 2024 Zurich Classic
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westphi
Dec 4, 2016 at 12:56 pm
When is this going to be released in stores?
Red Regal
Nov 29, 2016 at 6:42 am
Callaway the new Taylor Made with so many releases.
PapaBear
Nov 29, 2016 at 2:46 am
Haven’t been this excited since the Cobra 370U was released!
KJ
Nov 28, 2016 at 9:02 pm
A lot of the comments, so true. I buy a new driver amount every 3 years. I typically buy a model that’s one year old and half the price of the original in very good shape.
erlybrd
Nov 28, 2016 at 6:27 pm
What? Looks just like 915 D4 head!!
Blade Junkie
Nov 28, 2016 at 3:31 pm
Another bottle of Snake Oil please Bartender !
B. Parsons
Nov 28, 2016 at 1:16 pm
The Korean YouTube video showed these in detail. I’m sure cally will try their best to have it pulled, but it’s still out there. Search for it on naver or another Korean search engine.
Dave R
Nov 28, 2016 at 12:21 pm
What I can’t believe it more new drivers, what will they think of next
Jordan
Nov 28, 2016 at 11:14 am
Wait, they’re coming out with an adjustable 915 driver? Color me intrigued…
Guy
Nov 28, 2016 at 11:49 am
Thats what I was thinking when I saw it.
Clay
Nov 28, 2016 at 10:30 am
I can’t believe no one has speculated that the bonded hosel design was made for Tiger. Are the “Tiger is buying TM” rumors so strong that no one wants to start a new rumor about Tiger signing with Callaway? Fine, I will start the rumor. The GBB Star is made specifically for Tiger and will not go to market. I have zero evidence but I know some people that know some people that robbed some people and they said it is true.
Michael
Nov 28, 2016 at 9:33 am
The Epic Star has my attention. Will this be a non-adjustable model that is in the $399 range? Would they want to compete with possible Fusion sales?
cgasucks
Nov 28, 2016 at 9:04 am
Jailbreak technology!??! What is that?? Does it mean if you pay someone to “unlock” it you remove the USGA COR restriction!??!
Desmond
Nov 28, 2016 at 9:23 am
You need to read the EPIC thread
Desmond
Nov 28, 2016 at 9:24 am
… or just the descriptions above. Works wonders.
Fozzie Bear
Nov 28, 2016 at 8:50 am
Oh, Mizuno Fast Track is back. 🙂
DB
Dec 2, 2016 at 12:49 am
Man, I just saw a Mizzy Fast Track at GolfMart for like $30.
If Callaway says this technology is a game changer then I’m going back to get that Mizuno tonight!