50 Words or Less
The Srixon ZXi RKT LS driver is a sleek looking low-spin driver that rewards high center contact. Ball speed is strong. Trajectory is low. Restrained sound and tons of adjustability make it a great candidate for higher accuracy players who take the time to dial-in their fit.
Introduction
A low spin driver’s penetrating flight, reduced spin, and increased speed sounds fantastic to most golfers. The catch is squeezing the most, or even just enough, out of this style head is contingent on club speed, delivery, and the ability to consistently find the correct part of the face. As a mid-speed player, this was certainly my experience with the Srixon ZXi RKT LS driver. But lets be honest, we all secretly want to try the LS models.
Within Srixon’s new ZXi RKT family, the Srixon ZXi RKT LS driver model is engineered to prioritize distance and low spin. The ZXi RKT MAX driver is its maximum forgiveness option, while the standard ZXi RKT driver [review HERE] is its all-around model.
Offered in 8°, 9°, and 10.5° lofts with heaps of weight and hosel adjustability, I tested the 8° version of the Srixon ZXi RKT LS driver paired with the Mitsubishi Kai’li Dark Waves White 60S shaft. With a mid-swing speed and bias towards forgiveness, as driver isn’t a strength of my game, I usually fit into core and Max models. So, I was particularly curious to experience how the 8° Srixon ZXi RKT LS driver would work (or not) for me.
Looks
The Srixon ZXi RKT LS driver is visually focused with intentional design elements showcasing its new technology. The sole is packed with delicate silver ZXi RKT branding, a dual weight system with a hint of red, angular designs, and tonal etching that give the Srixon ZXi RKT LS driver a technical look without appearing cluttered. The deliberate use of gloss, satin, matte, paint, and etched finishes work together to draw the eye to the technological components of the club.
Like the sole, the face of the Srixon ZXi RKT LS driver leverages graphic elements to call attention to the newly introduced RKT Face technology with its laser face milling and subtle silver branding. It has a striking resemblance to the Titleist GT 4 [review HERE].
Standing over the ball, the Srixon ZXi RKT LS driver presents a supremely uncomplicated and inspiring view. My biggest complaint about my gamer is its gloss crown, so I appreciate the matte carbon fiber crown that reduces glare. A small Srixon logo identifies the center of the face, while a small raised black half circle frames the back of the crown. Overall, the refined and subdued crown balances well with the more aggressive sole detailing.
Although I don’t have the core or MAX models in hand, marketing materials indicate the Srixon ZXi RKT LS driver is shorter front-to-back, deeper, and more pear-shaped than the other models. That said, all Srixon ZXi RKT driver models have a 460cc head, so with a face height of ~2.5” and a crown measuring ~4.5” front-to-back, the Srixon ZXi RKT LS driver may be more compact than the other models, but the footprint felt less intimidating than smaller drivers in the low spin category like the Cobra DS Adapt LS [review HERE], PING G440 LST [review HERE], and Callaway Quantum TD [review HERE].
The amount of RKT Face visible at address, especially with an 8° head, made me less intimidated about getting the ball in the air given the Srixon ZXi RKT LS driver’s low launch characteristics and my clubhead speed topping out around 100mph. [See Price / Buy]
Sound & Feel
Srixon introduced its “ACOUSTICORE” structure with the ZXi RKT line it says uses “AI-optimized internal rib structures, precisely tuned to refine the acoustic character of every ZXi RKT model.” They clearly heard the feedback about the louder and higher pitched tones of some of its previous models, as the Srixon ZXi RKT LS driver produces a unique thump that’s much more a whack than a high pitched snap. The tone is muted and void of sharpness. Even heel and toe strikes, which I provided a healthy sample size of, produced a more refined but powerful whack with limited reverberation.
There’s a long list of tech infused into the RKT Face, including VR-Titanium alloy, an I-Flex optimized face thickness pattern, a new multi flex rebound frame, and an updated variable roll design. While I didn’t have an engineer with me to explain what that all means, I do know it made it feel like the ball shot off the face instantaneously. Although fast, that quickness made me feel like I lost some control over ball trajectory. With more use and a greater understanding how the ball reacted to slight variations in face contact, I felt more in control.
As I link sound and feel so closely, I was surprised by the disconnect I felt between the regulated sound of the Srixon ZXi RKT LS driver and its more unconstrained feel.
Performance
I went to an indoor sim for my first Srixon ZXi RKT LS driver test session. I figured I’d save a grounds crew the headache of replacing the grass from my worm burners. After a couple gloriously mighty swings yielding incredibly ugly results, my decision seemed correct. With 8° of loft, a 10g weight in front, and a 4g weight in back, the Srixon ZXi RKT LS driver came ready for speed and a piercing flight, but not me. In this standard setting, my trajectory was consistently low, especially on below center contact strikes. Center strikes were respectable, but higher strikes are where the Srixon ZXi RKT LS driver wanted to come alive.
Still not getting my desired results, I cranked the adjustable hosel up 1.5°, moved the 10g weight to the back, the 4g weight up front, and let ‘er rip. Suddenly, 65’ – 70′ peak heights from the standard setting turned into high 80′ peak heights. While not the ideal height or speed (which I attribute more to shaft profile), the increased trajectory and spin at a consistent ~2,550 RPM, started to add another 15 – 25 yards to my carry numbers as center-high contact improved. There’s still a ton more in there begging to get let out.
My usual trajectory is a slight draw and my miss a pull hook, so the slight fade bias of the Srixon ZXi RKT LS driver helped me block out most of the left side. As I got a better feel for the optimal strike location, I started producing more fades and straight shots. However, off-center contact, especially low heel strikes, produced some embarrassingly low and spinny push slices up to 40 yards offline.
At the range, I could get in a groove with contact and produce those 80’+ peak height straight shots and fades, but that consistency was difficult to replicate on course. Despite 99-100mph club head speeds, ball speeds never exceeded 145mph. The precision required by the Srixon ZXi RKT LS driver stole 10mph+ of ball speed away from strikes that were slightly low or off-center. A consistent ~1.45 smash factor indicates with better contact there’a a few more mph and 15-20 more yards to be squeezed out of the Srixon ZXi RKT LS driver without additional effort. [See Price / Buy]
Conclusion
If you didn’t already, consider Srixon officially in the driver game. The Srixon ZXi RKT LS driver’s striking looks, adjustability options, re-engineered chassis, and RKT Face make it a must try. While an 8° head paired with a low flight shaft isn’t a fit for my swing profile, the Srixon ZXi RKT LS driver is a wonderful club for an accurate higher swing speed player to dial in for speed and a controlled, low spinning, penetrating flight. For me, I’m going to toss it on a high launch shaft to see what kind of beast I can unlock. [See Price / Buy]
The ZXi RKT LS Driver’s advanced low spin profile is built for aggressive players seeking distance and a more piercing trajectory thanks to its deeper RKT Face technology. Adjustable Sole Weights in the front and rear allow you to optimize your preferred spin characteristics.
Srixon ZXi RKT LS Driver Price & Specs
Loft | 8°, 9°, 10.5° |
Length | 45.75 |
Stock Shaft | Mitsubishi Kai'li Dark Waves White 60 |
Flex | R, S, X |
Price | $649 |
When he isn't testing clubs, fitting players, or thinking about golf, John enjoys live music, spending time with his dogs, playing "Uncle Johnny" to his niece and nephews, and passionately defending the honor of the Arby’s roast beef sandwich. He holds degrees from the University of Colorado, New York Law School, and the Kellogg School of Management.
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