For Aretera Golf, the past few years have been a whirlwind. Like any young brand, there have been curveballs along the way, but thanks to the extensive experience behind the scenes, momentum continues to build. While the EC1 earned widespread praise both across the industry and within THP Community Testing, it was always clear that it represented only the beginning.
With the introduction of the Aretera AO2, the brand is not just expanding its catalog, but making a clear statement: they are here to push the envelope. Through an intense commitment to exotic materials and unconventional application methods, the AO2 blends dynamic power, stability, and what has become known as true Aretera feel.
Quick Take
This just might be the shaft which people have been waiting on from Alex Dee and Aretera which cements their place in the segment while also going toe to toe with the industry’s best. Both the Gray and Blue offer power by way of impressive efficiency, while not sacrificing incredible feel or true impact zone stability. With only a 7% difference in tip stiffness separating the two models, the AO2 lineup provides excellent fitting versatility for a wide range of swing profiles.
The Material Difference
From the very beginning, the driving force for Aretera Golf has been to create shaft options with an emphasis on materials and application techniques that would set them apart from the rest of the industry. If you haven’t checked out THP’s deep dive into the roots of Aretera, then that may seem quite bold of a brand soon approaching just their third year in operation. However, this is a new company with decades of experience under their belt, led by a core group of people driven by passion, creativity, and prior success within the shaft segment.

In terms of the design, Aretera describes the AO2 as a profile which is firm in the mid and tip sections but maintains a measure of “activity” in the handle. The result is a more enhanced connection for golfers who need high level torsional stability as well as energy efficiency, but without sacrificing “hand feel”, an area where some stronger profiles fall short.
Although the EI Curve is one of the more unique you will see, it is because of Aretera’s relentless pursuit of material superiority that it is possible. The key to that is the PowerGrid and Coreless Design technologies which are implemented into the AO2. By using the most premium and ultra exotic materials they can (some, they are the only ones currently using in golf) and weaving them into a thinner and lighter spread tow fabric, they also gain more multi-directional application potential than traditional materials/methods.

By then applying the materials in a way which has 16-20 layers (plies) within the AO2 compared to the 5-7 of most other shafts, Aretera has unlocked the flex versus feel conundrum. Historically, it has been a one or the other situation in wood shaft design, choosing stronger flex typically meant a more rigid/boardy feel, while emphasizing feel/flow often results in less stability. Thanks to PowerGrid and Coreless Design, Aretera has not had to do that with AO2, continuing what has come to be discussed on the THP Community as the “Aretera Feel”.
Of course, technology is always fun to discuss and break down, but if the performance does not manage to back it up, then it is all lip service. Aretera sent both the Gray and Blue AO2 to THP for a full review so we could get them onto the course as well as SkyTrak+ launch monitor to see just what it brings to the table.
Aretera A02 Shaft – Where Speed Meets Stability
As mentioned, both the AO2 Blue and AO2 Gray were in hand for this review in the 65-5 weight and flex designations. Both shafts were built with a Callaway adapter, and tested in the Elyte Triple Diamond Max (9.0°) driver head, set to standard/neutral.
As always, shaft testing presents challenges due to individual swing dynamics. However, meaningful performance insights can still be drawn through controlled testing and on-course validation.

Visually, the AO2 certainly screams Aretera in terms of its graphics and emphasis on showcasing materials via various finish techniques. Having personally worked with and reviewed both of the company’s previous offerings, this is the most eye catching with its pearl finish handle section gradually fading into an almost black look that still allows the unique checkerboard like weave pattern to show through.
The Gray or Blue accents pop just enough while not clashing with most drivers on the market. Once again though, Aretera is sticking with a dual graphic that puts the company name on two sides of the shaft, meaning there is no logo down option here. It is a little thing because the finish quality and looks are so fun, but worth noting for those who prefer the cleanest look possible at address.
Of course, paint doesn’t matter nearly as much if performance is there, and the Aretera AO2 showed to be a powerhouse of potential in that regard.

If you have never swung an Aretera shaft before, then the first thing that usually stands out is the feel, and that is true here, although in the case of the AO2 it is a much more uniquely addicting blend than from the EC1 we reviewed previously.
There is a baseline stability which never waivers from address to impact, with the shaft responding to the inputs the person swinging imparts. However, there is at the same time a level of flow which historically is not experienced from all but a handful of profiles built for power like the Aretera AO2 shaft is. Even bouncing from the Gray to the Blue, the same overall feel was present and met with a consistent stability which never wavered.
Launch Monitor Results (SkyTrak+)
10-shot averages, two outliers removed

Both were done in the same session, swapping between each model every five swings. As you can see, there is quite a lot to like, though perhaps how close the two are in terms of data might surprise some of you. There is a reason for that though, as the only difference between the two AO2 models is that the Gray has a 7% stiffer tip section, which shows in the slightly stronger ball flight data.
On-Course Performance and Dispersion
Of course, the more impressive aspect is that the performance from the controlled simulator hitting bay did carry over to the course as well. Overall, both profiles provided a solid launch that was followed by a ball flight that worked its way to the apex in a much flatter/piercing manner. Thanks to that, both maintained very nice playability even in windy conditions.

The beauty of the Aretera take on dialing in their shafts to each golfer with the only difference being that 7% increased tip stiffness in the Gray is that the rest of the profile remains familiar. Regardless of the swing put onto the ball, there was a fluidity and flow that you would never expect from an (in this case) X-Flex shaft. However, the stability that remains is what breaks the mind since historically these two traits don’t coexist.
That stability showed itself in testing in a couple of different ways. First, even when the extremes of the face were tested (and they were tested, no robot golfers here) there was no shudder or torsion sensation, despite that fluid feel making you think there would be. Secondly, both the Blue and Gray responded to whatever was thrown at it from a speed and/or tempo perspective, meaning that the shaft was always “there” when the clubhead returned to impact.

All of this combined made for some of the better driving that this reviewer has had this year, specifically in the way that the AO2 performed downrange from a dispersion aspect. Yes, big misses met the big movement you would expect from any clubhead/shaft combo, but on more average swings the dynamic lateral movement was much more tuned in, with the biggest tendency being a slight fade which is expected based on swing and driver head used for the review. All that to say, even though Aretera talks a lot about the “softer butt section” of the AO2, this is a shaft which stronger and more efficient swingers could mesh well with. Its launch is solid, not overdone, and the torsional stability helps create a very consistent spin profile.
The Details – Aretera AO2 Shaft Review
With the AO2 joining the EC1, not replacing it, Aretera has the foundation of an eye catching tandem of shaft profiles. With emphasis on ensuring the most exotic materials are being applied in the most technologically advanced ways, the brand has certainly done more than enough to make it worth the while to find a way to give both profiles a go to see what works best for ones needs.
In terms of the AO2 itself, there is much to like, with nothing on the table leftover. This one is about performance, and it delivers. Pricing on the AO2 Gray and Blue are $419.99 with each being offered in four flexes across four different weight options. The shafts are available at their ever growing network of certified fitters across the nation. For more information visit their website at Areteragolf.com.





Great writeup [USER=1579]@Jman[/USER] ! I’ve been able to try the previous Aretera shaft at a fitting and I came away impressed, particularly with how stabile it is.
Appreciate you sharing the El curves – it seems very unique, particularly the transition point between handle and mid section.
Need to give this a try next time I’m at a fitting. Thanks!
Maybe I’m reading into it more than I should at this point but seems like the AO2 addresses some of my long-term uneasiness with the EC1
So many great options!
I loved the EC1 Blue in the Elyte TD at the beginning of this year! Looking forward to testing this out this year!
I find that data pretty interesting. Barely any difference between the 2 but I love the feel/stability talk.
[QUOTE=”jdtox, post: 13711782, member: 5944″]
I find that data pretty interesting. Barely any difference between the 2 but I love the feel/stability talk.
[/QUOTE]
Pretty cool to see for me during the testing because it’s doing what they should. With the only difference in the two being 7% more stiffness in thee tip of the Gray, it should bring flight a little stronger, and lower spin as well as launch a touch, and it did.
I do think the data will surprise though in that these things don’t make massive sweeping changes in launch or spin like the internet sometimes believes they will.
[QUOTE=”baylrballa, post: 13711521, member: 52381″]
Maybe I’m reading into it more than I should at this point but seems like the AO2 addresses some of my long-term uneasiness with the EC1
[/QUOTE]
Quite different shafts, as intended.
[QUOTE=”Jman, post: 13711812, member: 1579″]
Pretty cool to see for me during the testing because it’s doing what they should. With the only difference in the two being 7% more stiffness in thee tip of the Gray, it should bring flight a little stronger, and lower spin as well as launch a touch, and it did.
I do think the data will surprise though in that these things don’t make massive sweeping changes in launch or spin like the internet sometimes believes they will.
[/QUOTE]
We’ve done tests before showing shafts don’t affect as much as some think but thats pretty minute.
[QUOTE=”jdtox, post: 13711818, member: 5944″]
We’ve done tests before showing shafts don’t affect as much as some think but thats pretty minute.
[/QUOTE]
I went in expecting about a degree of launch and around 150 RPM since the profiles are essentially identical except the 7% increase in the tip stiffness, and it was pretty darn spot on.
The cool thing is similar was seen when I reviewed their original design, certainly validates their fitting story for why they do the two models the way they do within each line. Also goes to show just how impressive their tolerances and material tech are to bring the consistency that they do.
Great write up [USER=1579]@Jman[/USER] . Seems like a good advancement here from Aretera, but it sounds like a great shaft. Stable with some feel.
[QUOTE=”Jman, post: 13711829, member: 1579″]
I went in expecting about a degree of launch and around 150 RPM since the profiles are essentially identical except the 7% increase in the tip stiffness, and it was pretty darn spot on.
The cool thing is similar was seen when I reviewed their original design, certainly validates their fitting story for why they do the two models the way they do within each line. Also goes to show just how impressive their tolerances and material tech are to bring the consistency that they do.
[/QUOTE]
That certainly isn’t much. I guess what I’m getting at does it matter which color you go with if the differences are that small?
Loving my EC1 gray. Seems like the AO2 would be more “boardy” which is what I was using and not going back to.
[QUOTE=”gkeller813, post: 13711841, member: 51675″]
Great write up [USER=1579]@Jman[/USER] . Seems like a good advancement here from Aretera, but it sounds like a great shaft. Stable with some feel.
[/QUOTE]
Thank you!
The “Aretera Feel” is prominent, and consistent. It also doesn’t sacrifice dispersion to get it, which is most impressive.
[QUOTE=”jdtox, post: 13711845, member: 5944″]
That certainly isn’t much. I guess what I’m getting at does it matter which color you go with if the differences are that small?
[/QUOTE]
I got you.
I’d say, that’s the hard part to show people in a review, and the difficult part with all shaft reviews.
On the baseline for me, just looking at the data, they’re pretty interchangeable and in terms of flight it translated on course well, except in really windy days the black was a little more untouchable in the air.
But, the dispersion and directional tendencies is what data can’t show. For my move, the “circle” downrange was tighter in the black, enough to make a notable mental difference when picking lines on the course.
The tip section stiffness difference in the two (both here and EC1) combined with user inputs and swing tendencies/faults makes for a pretty cool, albeit unique compared the the rest of the market, fitting matrix.
I like the expansion of the line, rather than a replacement. The EC1 is staying in the bag for me, but I’ll have an eye out for these.
This brand has interested me since the beginning. I have yet to try any of their shafts but I would like to.
It is interesting to me that these are not “that” low in torque.. Yes, I know that is only one piece of the puzzle and low low torque that was once super popular seems to be less in vogue these days. Or maybe less needed or more understand. Honestly not sure. But it seems that low torque (numbers in the 2s) is less and less prevalent.
[ATTACH type=”full”]9400135[/ATTACH]
[QUOTE=”Jman, post: 13711866, member: 1579″]
I got you.
I’d say, that’s the hard part to show people in a review, and the difficult part with all shaft reviews.
On the baseline for me, just looking at the data, they’re pretty interchangeable and in terms of flight it translated on course well, except in really windy days the black was a little more untouchable in the air.
But, the dispersion and directional tendencies is what data can’t show. For my move, the “circle” downrange was tighter in the black, enough to make a notable mental difference when picking lines on the course.
The tip section stiffness difference in the two (both here and EC1) combined with user inputs and swing tendencies/faults makes for a pretty cool, albeit unique compared the the rest of the market, fitting matrix.
[/QUOTE]
I feel like dispersion can increase average distance on course too, becasue you have less shots that find the trees or thick stuff. Something that gives me confidence to swing a little more free too.
[QUOTE=”Templet0n, post: 13711895, member: 53139″]
This brand has interested me since the beginning. I have yet to try any of their shafts but I would like to.
It is interesting to me that these are not “that” low in torque.. Yes, I know that is only one piece of the puzzle and low low torque that was once super popular seems to be less in vogue these days. Or maybe less needed or more understand. Honestly not sure. But it seems that low torque (numbers in the 2s) is less and less prevalent.
[ATTACH type=”full” alt=”1766499170043.png”]9400135[/ATTACH]
[/QUOTE]
It’s part of their key technologies in application that allows that, and yes, it’s why you can’t just look at torque.
Traditionally made shafts have 6-7 layers or material, here there is over double that. Within that, historically you had to choose feel OR stability given the layer numbers and application.
With spread tow and even more exotic materials, the added layers available both in weight and strength/stiffness they have decoupled that old choice. It’s why I’ve so long talked about the “Aretera Feel” in the review of this as well as the EC1 homepage and forum reviews.
It breaks preconceived molds and connotations of things like torque rating.
[QUOTE=”Templet0n, post: 13711895, member: 53139″]
This brand has interested me since the beginning. I have yet to try any of their shafts but I would like to.
It is interesting to me that these are not “that” low in torque.. Yes, I know that is only one piece of the puzzle and low low torque that was once super popular seems to be less in vogue these days. Or maybe less needed or more understand. Honestly not sure. But it seems that low torque (numbers in the 2s) is less and less prevalent.
[ATTACH type=”full” alt=”1766499170043.png”]9400135[/ATTACH]
[/QUOTE]
Also, it’s linked in the article since so many missed it when it was originally published a while back, but the piece I wrote on the brand and its roots also dives deep into the material and application processed that makes Aretera different than others:
[URL unfurl=”true”]https://www.thehackersparadise.com/aretera-golf-built-different/[/URL]
[QUOTE=”Jman, post: 13711960, member: 1579″]
Also, it’s linked in the article since so many missed it when it was originally published a while back, but the piece I wrote on the brand and its roots also dives deep into the material and application processed that makes Aretera different than others:
[URL unfurl=”true”]https://www.thehackersparadise.com/aretera-golf-built-different/[/URL]
[/QUOTE]
Yeah, I read that it is super interesting. Alex is a smart cat. Going out on his own was brave in the shaft world. But it looks like they are making strides.
Great write up [USER=1579]@Jman[/USER]. I have been interested in Aretera since they released their first shafts but haven’t had the chance to hit them yet. I am going to make an effort to hit a few of them in the spring.
For me I think the 55/4 1 model would be a good place to start. I like the stability but I don’t hit the ball super high or with a ton of spin.
[QUOTE=”Chef23, post: 13712131, member: 48542″]
Great write up [USER=1579]@Jman[/USER]. I have been interested in Aretera since they released their first shafts but haven’t had the chance to hit them yet. I am going to make an effort to hit a few of them in the spring.
For me I think the 55/4 1 model would be a good place to start. I like the stability but I don’t hit the ball super high or with a ton of spin.
[/QUOTE]
I’m really hoping we see these in more people’s hands, it’s a really really solid design.
Headed back out for a walking round as our course gives the employees the week off. Gray in the TD Max gets the nod.
The EI curves being so similar matches another brand that I’ve been playing with. It’s pretty cool that companies are able to make such finite adjustments to their products now.
Graphics are freaking killer as well
I would do a lot to get my hands on a 45/4. But that’s me and my journey of going light in driver shafts. Someday it will happen.
I eagerly await for some tour adoption of these shafts.
[QUOTE=”Chow, post: 13713568, member: 80528″]
I would do a lot to get my hands on a 45/4. But that’s me and my journey of going light in driver shafts. Someday it will happen.
I eagerly await for some tour adoption of these shafts.
[/QUOTE]
I’d love to see what a 45/4 does for you!
This is a fantastic article [USER=1579]@Jman[/USER]. The difference only being in the tip, just like the EC1, is something really impressive. And it sounds like it retains the EC1 feel while having a more stable mid section for more aggressive swings. At least I’m assuming this would be a bit more beneficial for aggressive tempos.
It’s also a stunning looking shaft. Holy wow.
[QUOTE=”amarkabove, post: 13713612, member: 75272″]
This is a fantastic article [USER=1579]@Jman[/USER]. The difference only being in the tip, just like the EC1, is something really impressive. And it sounds like it retains the EC1 feel while having a more stable mid section for more aggressive swings. At least I’m assuming this would be a bit more beneficial for aggressive tempos.
It’s also a stunning looking shaft. Holy wow.
[/QUOTE]
Yea they really stepped up the graphics! I felt like the EC1 was a little too classy and understated for my taste.
Great write up [USER=1579]@Jman[/USER]
Having played both the A01 and A02, are they similar? Is there an area where one stands out over the other?
I can’t wait to dive into this one a bit later this evening!
I like a lot about the different profile in these shafts. I was lukewarm on the EC1, and really don’t know why. I really never could put a finger on what I didn’t get along with. I think it was the handle portion, but I’m not sure.
I need to give these a swing sometime if I can find one. From a looks standpoint these are superb. A step stiffer and lower torque rep than the EC1 may be a good deal.
Thank you @Jman for this review. The playability between each of these is pretty impressive and as a player who has never paid attention to Aretera, I feel like that needs to change. This specifically caught my attention
\"Aretera AO2 EI Curve
By then applying the materials in a way which has 16-20 layers (plies) within the AO2 compared to the 5-7 of most other shafts, Aretera has unlocked the flex versus feel conundrum.\"
[QUOTE=”JTinMO, post: 13713678, member: 68067″]
I like a lot about the different profile in these shafts. I was lukewarm on the EC1, and really don’t know why. I really never could put a finger on what I didn’t get along with. I think it was the handle portion, but I’m not sure.
I need to give these a swing sometime if I can find one. From a looks standpoint these are superb. A step stiffer and lower torque rep than the EC1 may be a good deal.
[/QUOTE]
Biggest thing is they need to not be compared to the EC1 as they really are different profiles. I know it’s natural for us to do, but they’re different beasts altogether.
[QUOTE=”Canadan, post: 13713668, member: 2320″]
I can’t wait to dive into this one a bit later this evening!
[/QUOTE]
Thanks, my guy.
[QUOTE=”Jman, post: 13715041, member: 1579″]
Biggest thing is they need to not be compared to the EC1 as they really are different profiles. I know it’s natural for us to do, but they’re different beasts altogether.
[/QUOTE]
So if I REALLY like the EC1, is it likely that the AO2 would be a poor fit for me? Or hard to tell without trying? (I’m gonna find one to try anyway ?)
[QUOTE=”Golf Jones, post: 13713647, member: 83603″]
Great write up [USER=1579]@Jman[/USER]
Having played both the A01 and A02, are they similar? Is there an area where one stands out over the other?
[/QUOTE]
In Aretera’s mind, the Alpha One isn’t a benchmark for anything, doesn’t have any place in their current direction, and isn’t a basis for anything to with the AO2, other than that name similarity hahaha
In mine, it’s a more fluid feel, but with the same stability, flight is a little easier launching overall as well, for me.
kind of a random first thought, but I absolutely love the header photo. It’s such a great way to introduce an article.
[QUOTE=”Mayor McCheese, post: 13715049, member: 76034″]
So if I REALLY like the EC1, is it likely that the AO2 would be a poor fit for me? Or hard to tell without trying? (I’m gonna find one to try anyway ?)
[/QUOTE]
Impossible for me to say, really.
I do think the EC1 aims at the biggest portion of the bell curve though, where this is a little more nuanced.
Well worth trying if you can however. Absolutely.
I’ve always loved the concept of “new company” with massive amounts of industry and design knowledge hiding behind it.
Fresh ideas, unlocked potential, years of trial and error is how I read that.
[QUOTE=”Canadan, post: 13715078, member: 2320″]
I’ve always loved the concept of “new company” with massive amounts of industry and design knowledge hiding behind it.
Fresh ideas, unlocked potential, years of trial and error is how I read that.
[/QUOTE]
I’ve listened to some interviews/podcasts with Alex on there and he just sounds so excited to be able to try to attack problems like the relationship between torque and feel in totally new ways
It’s pretty impressive to have two shafts sitting slightly apart on the Ei profile and producing slightly different results presenting a similar tier of feedback during swapped out testing. I would think that is not easy to achieve.
[QUOTE=”Jman, post: 13715050, member: 1579″]
In Aretera’s mind, the Alpha One isn’t a benchmark for anything, doesn’t have any place in their current direction, and isn’t a basis for anything to with the AO2, other than that name similarity hahaha
In mine, it’s a more fluid feel, but with the same stability, flight is a little easier launching overall as well, for me.
[/QUOTE]
Interesting. I had some good times with the A01, so it may be worth giving the A02 a try
We’ve seen that somewhat familiar “soft” tip section in builds over the years, and I woulda assume you’ve got a pretty good idea of what I am referring to [USER=1579]@Jman[/USER] – How does it handle it in the 5 flex with not being too boardy in the hands while still letting the shaft do the work?
Did the gray have more of an upward arc to peak height or was it similarly as flat getting to max height?
[QUOTE=”Golf Jones, post: 13715115, member: 83603″]
Interesting. I had some good times with the A01, so it may be worth giving the A02 a try
[/QUOTE]
Same, but they’re very focused on this and the EC1 being the true start to the brands lineup. Kinda makes sense.
[QUOTE=”Jman, post: 13711938, member: 1579″]
It’s part of their key technologies in application that allows that, and yes, it’s why you can’t just look at torque.
Traditionally made shafts have 6-7 layers or material, here there is over double that. Within that, historically you had to choose feel OR stability given the layer numbers and application.
With spread tow and even more exotic materials, the added layers available both in weight and strength/stiffness they have decoupled that old choice. It’s why I’ve so long talked about the “Aretera Feel” in the review of this as well as the EC1 homepage and forum reviews.
It breaks preconceived molds and connotations of things like torque rating.
[/QUOTE]
My limited knowledge of shaft design and how “flags” are placed usually play a big part in feel, playability and overall performance. Since these are using almost double, and have managed to maintain a favorable feel and still perform, did you get any details on how the layers are being applied to achieve this? Does this come down to the materials being used versus what other OEM’s are using?
[QUOTE=”Jman, post: 13715126, member: 1579″]
Same, but they’re very focused on this and the EC1 being the true start to the brands lineup. Kinda makes sense.
[/QUOTE]
With everything that has transpired, I get it. But the A01 will always be the touchstone for their brand for me.
[QUOTE=”MikeG, post: 13715186, member: 15992″]
My limited knowledge of shaft design and how “flags” are placed usually play a big part in feel, playability and overall performance. Since these are using almost double, and have managed to maintain a favorable feel and still perform, did you get any details on how the layers are being applied to achieve this? Does this come down to the materials being used versus what other OEM’s are using?
[/QUOTE]
The key is the materials, according to Aretera. Based on their information, the types of exotic materials they’re applying are thinner and lighter, which allow for such things.
Now, it’s not to say others aren’t using similar exotic materials or their own processes for applying the plies in a non traditional way, because they are, some are innovating insanely hard there, but this is Aretera’s story for theirs. For which I personally, with no evidence at all, take as a shot to those like Fuji more than others.
[QUOTE=”Golf Jones, post: 13715198, member: 83603″]
With everything that has transpired, I get it. But the A01 will always be the touchstone for their brand for me.
[/QUOTE]
I agree, but they don’t want us to feel that way hahaha
[QUOTE=”Jman, post: 13715203, member: 1579″]
The key is the materials, according to Aretera. Based on their information, the types of exotic materials they’re applying are thinner and lighter, which allow for such things.
Now, it’s not to say others aren’t using similar exotic materials or their own processes for applying the plies in a non traditional way, because they are, some are innovating insanely hard there, but this is Aretera’s story for theirs. For which I personally, with no evidence at all, take as a shot to those like Fuji more than others.
[/QUOTE]
Fuji was the first one I was thinking about because with the Ventus line, they seemed to gain a ton of traction with similar technology application with the shafts.
Again, not knowing the full history of Aretera, it reads like they took that mindset and took it up several levels.
[QUOTE=”MikeG, post: 13715212, member: 15992″]
Fuji was the first one I was thinking about because with the Ventus line, they seemed to gain a ton of traction with similar technology application with the shafts.
Again, not knowing the full history of Aretera, it reads like they took that mindset and took it up several levels.
[/QUOTE]
Well with Ventus being Alex Dee’s “masterpiece” if you will, it makes a lot of sense hahaha
It’s also why I’m eager to see how they continue to evolve too, rounding out a complete lineup as time goes on