Within this line of tennis racquets, the Wilson Blade 98 v8 16×19 is the best-selling flagship model, which I reviewed for my playtest. If you’re new to stringing the Wilson Clash, it’s good to know that the recommended tension range is 47 – 57 pounds (21-26kg). 48 – 58 pounds / 21. 30 mm. 3 kg. The Yonex Ezone 100 2022 is here and it’s packed with power. 5:17 – String Gauge & Tension. Comparing the string to others they've tried, our testers said: Marco - "Moto was similar in stiffness rating to Solinco Revolution, but it felt a bit more muted. Made from firm material, Volkl Cyclone is not designed for the "soft string" crowd. Racket stiffness is measured on a rating system that ranges from 40 to 85, with lower numbers representing more flexible rackets and May 13, 2021 · I just got curious of the relation with racket stiffness and string tension. A long string stretches more than a short one. The only real world test is in your racquet. I know it's not officially on the market until this Friday March 15th. (14%) but dramatically decreased for the 30-lb. Jul 23, 2022 · A tennis string comparison tool allowing the user to design reports on string stiffness, energy return, tension loss, peak impact force, impact tension increase, dwell time, deflection, etc. How does the thickness of the string influence the playability and characteristics? Tennis string gauges usually vary from 1. Oct 7, 2012 · Tried it in 17g, soft, medium power and has good spin. Spin: Don’t expect massive spin potential or bite from this string, it’s round. This is why they are ideal for players with longer, faster strokes who can generate much of their own power. If a string is USRSA rated at 200, is a string rated at 240 20% stiffer or is some kind of logrhytmic scale in use where a 20 percent increase in stiffness lbs equals a much higher string relative stiffness i. To ease your transition to a polyester based tennis string, start off with a hybrid setup involving a polyester string (i. Jan 29, 2021 · Jan 29, 2021. Several high-level friends made the Jun 2, 2021 · I tested the Regna 98 with various different string setups. Thinner strings also provide more spin potential by allowing the strings to embed into the ball more. When you string a racquet, the stiffness drops about three points but let’s look at the unstrung scale. I tried it in a couple different racquets and it performed well across the board. that being said, theres always exceptions, and one perfect example is that you can put Nov 2, 2011 · Higher tensions tend to favor polyolefin, at least in terms of softness. IMPORTANT NOTE: Measuring equipment costs thousands of dollars, and if you can’t afford it, it would be best to rely on the manufacturer’s instructions. However, if our playtest team has it right, Lynx Tour deserves some kudos for avoiding this all-too-common problem. It also worked well. This is a dramatic demonstration of a phenomenon explained in the experiment "String Stiffness and Spin" — spin decreases with too much string movement. its even more complicated than that. Tennis string tension is the measurement of how tight the strings are pulled in the frame, usually expressed in kilograms or pounds. I wanted to see how these strings compare when they all have the same ACTUAL tension. It held tension well even in the more open string bed of the TF40 16×19 and it wasn’t too stiff for the 18×20 pattern of the 6. Mar 19, 2012 · What I can't seem to find out is what scale is used to determine stiffness. 25 (new shade of blue launched together with the racquet) and Toroline Caviar 1. #2. Tennis String Gauges and May 21, 2020 · DT has very little to do with frame, whether stiff or flexible. 0. However, nobody from our team had any issues with impact shock, especially Mike. e. Below are the results from an independent lab, of the strings that offer the most elbow protection. This stiffness results in less power, but it also causes the ball to sit on the string bed for a shorter period – referred to as dwell time. Pros. Natural gut: best for power and recovering from injury. However, the most popular rackets typically fall between 60 and 70. Snake Bite: Suppose to compare to RPM but I haven't tried yet. . The upshot for our playtest team was a string that provided the String Elasticity Rating. Less flexibility in the frame meaning it is harder to put spin on shots. Which strings are stiff and which strings are soft? What benefits do different types of strings provide May 4, 2023 · Specifications. Have a really nice price to value ratio, only available as reel around 50 €. 20-1. Provides increased control and accuracy when hitting the ball. Tennis strings are available in a range of materials; traditionally, natural gut was favoured but there has been a transition to synthetic materials such as nylon and polyester. Dec 21, 2021 · Yonex Ezone 100 2022 Review – First impressions. 25 mains at 52 lbs and Yonex Rexis Comfort 1. Can make the racquet uncomfortable to use due to its rigid nature. The difference between a racket with a rating of 60 and a racket with a rating of 70 quite substantial. Here are timestamps for the different sections and topics covered: 0:27 – Definition & Sizes. All this for only $2 a month. In contrast to many basic polyesters, this string's core was designed with a more dampened and comfortable feel. Pros: Polyester Tennis Strings. Released in 1994, the Luxilon ALU Power is a very popular string with the likes of Roger Federer, Sebastian Korda, and Andy Murray using it. 41 mm. As low as $9. Durability is pretty much on par with other copoly's. I also see it often among advanced junior players. Mar 10, 2024 · Mar 10, 2024. A 15L string is thinner than a 15 gauge but thicker than a 16 gauge string. stockboy said: I have head lynx and local tennis guy recommended Luxilon ALU Power Rough as the most popular string of the spin/control type. Feb 13, 2020 · Gauge: I tested Solinco Confidential in 1. 30 at 55 lbs, which started moving quickly and was a bit too powerful and lastly, Luxilon Element 1. 23mm. The angular velocity of each tennis ball was measured from stroboscopic images during an oblique impact with the racket. Softer than Tour Bite, but a bit stiffer than Hyper-G. Go thicker for more durability and control and thinner for more power and feel. In tennis, the strings are the part of a tennis racquet which make contact with the ball. Really similar to Head Sonic Pro. Nov 1, 2015 · In other words, when stiffness was measured, the actual tension of these strings was much lower than the reference tension. Razor Soft only comes in carbon color and the gauges are 1. Most likely, if you use impact forces higher than the test level, the poly string will measure stiffer. Nov 3, 2019 · Patrons of Tennisnerd can ask questions in a message and get exclusive, ad-free content every week. Michelle explained, "I found this string to have fairly good tension maintenance for a co-poly. 22mm; this new born is the big sister of the series of thin calibers characterized by a lively blue color and available in caliber 1. 1:01 – String Families. A high string tension would be anything from around 55lbs to 65lbs. High stiffness racquets have a rating of 70 or higher on the stiffness scale. For my playtest, I used a hybrid string setup. A setup like this will yield a string bed stiffness that is less of a 'jump' from what you are used to. Aug 17, 2023 · Tennis racket stiffness, often called frame stiffness, refers to the flexibility in a racket’s frame. You can measure the RA rating using a machine such as a Babolat RDC. Racquet stiffness is traditionally measured in RA, generally between 55-75 points. Volkl Cyclone Tour 1. 30 (for more durability) – This string offers a nice and soft feel, but drops tension a bit too fast in more open string beds. #1. Although durability is one of its defining features, it scores well in many other areas, including spin, control, and the duration in which the string holds its performance. Also, some thin polyester strings, like Poly Star Turbo 16L, actually show low stiffness at low tensions (due to the percentage of tension lost, perhaps), but even at medium tension are much stiffer. Players trying kevlar hybrids for the first time (from nylon strings) are recommended to reduce tension by 10% to compensate for the added stiffness. String Project Keen 122 . I suffer from a stiff forearm and elbow niggles from time to time, but I had no such issues with the Ezone 98. Mar 2, 2022 · This helps keep the ball inside the baseline while offering excellent longevity with the optimized molecular structure. The stiffness is always around 3 pts RA for an unstrung racquet. What is stiffness? Essentially it is the ease with which you can stretch the string. But 100 sets were sold already. Stiffness ratings are quoted as a number, called an RA rating. Given its high stiffness level, Confidential is not meant to deliver the plush comfort of a natural gut or multifilament string. "This is tough because they're both exceptional control strings made for the same type of player. Cons. Multifilament: best for power without breaking the bank. Measurements were made with string reference tension of 52 lb with a swing speed for a 120 mph serve. This is because most players on the ATP and WTA tours use it for its ample power, control and durability. Where this string excels is precision. I experienced comfort on every stroke. Jul 28, 2021 · Aug 1, 2021. This is usually between 50 and 70 on most retail rackets. 2 m) Rating: 25 Reviews Add Your Review. The more it bends, the lower the stiffness. So here are the stiffness ratings when all strings have the same actual tension (I used 55 lbs): String Name - Stiffness May 9, 2024 · If you're using a stiffer string material like polyester, we’d recommend stringing looser to avoid arm injuries. Then Yonex Rexis Comfort 1. but the user feedback I see online is that lux has more power. This means that as you stretch different strings of the same length, some will be easier than others to stretch. It is simply an excellent racquet for many. However, its open 16×19 string pattern slightly boosts power and spin relative to its 18×20 sibling. For players looking to maximize connection with their shots and dictate with pin-point precision and accuracy. SKU. The lower the #, the better their ability to protect your elbow. Gauge: 17/1. Synthetic gut: best for most beginners & intermediate players. Like every tennis string ever made, Revolve Spin loses tension over time. If you want to know more technical stuff about strings and racquets, check out my ebook and course. Wilson quotes the racquet weighs in at 10. Apr 30, 2022 · I tried the string in my Wilson Six One 95 and the Tecnifibre TF40 305 16×19 and enjoyed in both racquets. The more the ball distorts the frame, the more flex a racket has, therefore, the lower the stiffness rating. 35mm, called Spin, Speed, Control and Long Life. by Jonas Eriksson December 11, 2023. A lower rating, therefore, means that a racket will bend more at contact. Either way, you are comparing strings for a general idea of how they might differ. Also, I'd liken the durability and playability to Tecnifibre Pro Red Code. Tour Bite Soft is also a good choice, with a slightly higher stiffness. Oct 20, 2017 · Still, Kevlar hybrids are the least powerful and least comfortable strings currently available. Stiffer racquets need to be strung tight enough or with a stiff enough string so that the stiff beam of the racquet won't overpower the string bed. A stiffer racquet offers more power and control but can also lead to more shock and vibration, which can cause discomfort and injury. 1:44 – Natural Gut. 13 […] Pros and Cons of Stiffness in a Tennis Racquet. 8 kg) Cross String Tension. A larger sweet spot allows for more forgiveness on off-center hits, reducing the likelihood of mishits and providing a more enjoyable playing experience. 3. Despite the fact that Revolve is constructed primarily with stiff polyester, our team gave it a fairly high comfort score, with no reports of excessive impact shock. The tension rate varies anywhere from 40 lbs (18 kg) being the lowest and 65 lbs (29. Stiffness is resistance to deformation. On the other hand, a more flexible racquet offers less power and control but can be more forgiving on the arm. The Luxilon ALU Power is my pick for the best polyester tennis string in 2023. Feb 12, 2021 · The best aspect of Head Hawk is hitting down the line with a flat racquet, right on the sweet spot. 20. For Chris, the initial tension loss contributed to the overall comfort. Feb 16, 2024 · Stiffness (k) is how many pounds force are necessary to stretch the string lengthwise by 1 inch during a dynamic impact. It did feel muted at contact, which helped it feel comfortable and dissipated any harsh shock. When it's all tuned properly it will provide better accuracy. The String Comparison Tool compares any two strings on all the important properties that determine performance: material, stiffness, tension loss, energy return, spin potential, string-to-string friction, and string-to-ball friction. #4. Aug 26, 2023 · The HEAD Speed MP is a versatile and well-rounded racquet for the baseliner who likes to be aggressive and take charge of the point using spin and precision. 25 mm (16L) gauge Luxilon Alu Power at 50 pounds (22. But they all share similar behaviors. Tennis string gauges range from 15 (thickest) to 19 (thinnest), with half-gauges identified with an L (15L, 16L, etc), which is short for "light". He said, "I thought the string was really arm-friendly for a co-poly, which made hitting the ball easy. Solinco Confidential is a newer string released in 2020, but it’s quickly gained popularity as a strong contender for one of the best polys. 8 – 26. For our team, Element proved a tad livelier than the majority of Luxilon strings we've hit. And it works well. 68 kg). -k- Control - Score: 83 / Power - Score: 64. Mar 22, 2011 · Spin increased for the setup at 60 lb. I used my friends racket, Pure Aero lite, frame stiffness 69 with poly 48lb. 5kg) Because polyester is a stiffer material, string 2lbs (1kg) looser than nylon. This experiment was performed to determine the effect of temperature on the stiffness, elongation, tension loss, and maintenance of tennis Differences in racket head displacement and ball velocity ratio caused by changes in string tension were not independent of differences in longitudinal flexibility. 3:25 – Multifilament. The racquet is well-dampened (perhaps a bit too much for some players) and handles vibrations really well. 30. Three rackets, each of three types classed as Stiff, Average, and Flexible by their The stiffness of a tennis racquet can have a significant impact on a player’s game. Different string materials have different recommended tension rates, based on power, spin Main String Tension. Here’s a link to my guide on string tension, which I reference in the video. Tennis strings are made of several materials and constructions. You can subscribe below and get weekly tennis tips. #6. A very solid control string that’s worth a go if you’re in the hunt for one. Jun 12, 2010 · the SBS is of first importance the type of string is a secondary matter: *. @toursauce The reported stiffness measurements are derived at one impact level and doesn't describe what occurs with impacts that are softer or harder than that. 5 - 27kg) Hybrid: 46 - 56lbs (21 - 25. Some players prefer the racquet to flex and bend on impact (longer “dwell time”), some players want it to react like a board. Meaning the ball doesn’t stay According to our Tennis Warehouse University article, a tennis string's stiffness is a measurement of how much it stretches during a fast impact, like a tennis hit. Let’s take a closer look at tennis string gauges. Wilson Clash Strings & Tension. 2:40 – Synthetic Gut. The Wilson Clash 100 v2 comes in your standard length of 27 inches and features a mid-range 100 in² (645 cm²) head size with an open 16×19 string pattern. If you want a racquet that is easy to generate depth with, look no further. As a beginner, this measurement may seem arbitrary, but it can be a useful measurement that helps guide a player’s decision-making process during their search for a tennis racquet. String Project Keen 122 String Project, an Italian company now well known for some years in the world of tennis enthusiasts, presents this new Keen in “larger” caliber equal to 1. I've been using Maximal's and alittle bit of Velvet. Like Chris, Michelle also thought this string was on the comfortable end of the stiffness spectrum. Friction falls under two categories, ball-string and inter-string. About the type of racquet and the SBS: The stiffness and balance of a racquet have different influence on the playability then the SBS: - A high stiffness means more speed and less comfort, while high SBS means less speed. 95. When choosing a tennis string, it is important to consider your playing style and needs. It’s a low-powered control-centric tennis racquet that offers excellent feel and comfort. 4 kg) at the highest. Even far behind the baseline, Hawk allows you to hit hard and deep. Let's get a thread started about Restring Sync. Mar 15, 2020 · Baseline is the cost-effective string from Isospeed. 3:38 – Finding the Right Gauge. In tennis we talk about ball compression, string elongation, string plane deflection, racquet bending, and racquet torsional twisting. Player: More advanced players with full strokes and no arm issues. Comfort - Score: 83. 40, 50 or 100%? Inquiring minds want to know. I strung my Yonex Ezone 100 2022 with a hybrid of Yonex Poly Tour Pro 1. The first time you get your racket strung, you should aim for these string tensions: Nylon/Gut: 50 - 60lbs (22. First, Yonex Poly Tour Pro 1. In our tests, string stiffness is the measured value obtained by impacting one piece of string at a tension of 52 lbs. Players with slower strokes or looking for more power may find polyester It is because the stiffness of the strings relative to the ball has a great deal to do with how much energy is lost when the ball and racquet collide. Flex: Higher stiffness transmits shock with less dampening, placing acute forces on the elbow, lower stiffness absorbs more shock, but can transmit more vibration. Similarly to what we talked about during the low tension section, there are exceptions to this too – some players opting for even higher tensions! Unless you want an injury coming your way though, we wouldn’t advise you to go over 60lbs. Stiff: 70 and above. 1:06 – String Gauge Chart (mm included) 2:13 – Gauge & Performance. Available in 4 different gauges between 1. all that being said, ive found soft strings are more important than a soft frame for elbow health. This occurs because the main strings are pushed forward in front of the ball's center of Feb 13, 2019 · Luxilon Alu Power Soft. Pro player, and creator, Karue Sell, has collaborated with Toroline to create the K-Pro hybrid. Difficult to judge based on current measuring methods. The strings form a woven network inside the head (or "hoop") of the racquet. So there has to be people out there who are playing with it right now. Join Our Mailing List. written by Jonas Eriksson December 11, 2023. Preceded by their elasticity rating. toroline Jan 22, 2015 · String bed stiffness depends on the string pattern and tension, as well as the diameter and material. For a visual walkthrough of the different types of tennis strings, be sure to check out my video below. Abstract This study was undertaken to determine influences of string tension and longitudinal flexibility on ball velocity after impact. When you add strings, the RA drops about 3 pts. These racquets offer the most power, as they don’t bend as much when the ball makes contact with the strings. You can order Toroline strings from the official website using the code TENNISNERD and get 25% off. Apr 25, 2019 · For a flexible racquet the strings need to have enough deflection to match the flex of the beam. Depth comes pretty easy and the extra bite on the ball will make sure your shots won’t sail long even with a completely neutral Jan 4, 2024 · The same idea works with tennis strings when making contact. 25 – A solid and comfortable choice for control-oriented racquets. It provided a good balance of power, control, and spin despite the 98 sq inch head size and 16×20 string pattern. Availability: In stock. 4:02 – Polyester. I replied to this in today’s newsletter. Apr 9, 2024 · Kirschbaum XPlosive Speed 1. Not recommended for beginners or players with arm injuries. " Brittany - "Two similar strings to compare Gamma Moto to would be Solinco Tour Bite and Luxilon ALU Power String stiffness is measured at a particular tension to show how one string compares to another under the same circumstances. I for one am very interested in trying this string as soon as I can order some. , for user-defined impact conditions including string tension and swing speed. This is a very popular racquet among WTA players, for example, thanks to the balanced response. The most common range is in the middle, between 1. Mar 27, 2023 · Key Takeaways. Although this is a real difference, Andy helps us understand why it's hard to separate these two co-polys. 4 oz (295 g) unstrung, but it’s common to find variance from one frame to the next. 25 or 1. Tennis balls were projected at three velocities toward a clamped racket simulating three levels of stiffness and strung at three string tensions. Rackets on the market have a stiffness of anywhere from 40-80. In the mains, I strung with 1. But if you are a string breaker, may not be a good option. Developed with input from top touring pros, Head Hawk is a round co-poly that specializes in the art of giving big hitters the needed control to attack the ball. Explosive Speed is a soft string with an equally lively response as Flash but with some noticeable top-spin assistance. Almost everyone knows that Luxilon is famous for their Alu Power polyester string. Dec 11, 2023 · Choosing a string - Tennisnerd. 20, 1. Apr 22, 2016 · Tennis Warehouse discusses tennis string stiffness. Wilson Revolve Spin 1. I'm not sure how durable polyolefin strings are at high tension. In fact, it is precisely this string's firm construction that gives it the connected feel and control that big hitters like Michelle crave. Aug 31, 2023 · String Bed Stiffness: The softer and more flexible nature of multifilament strings contributes to a lower string bed stiffness, which can lead to a larger sweet spot. 23. The time it takes for one back-and-forth (one cycle or one oscillation) is known as the period In our Tennis Warehouse University string lab, Cyclone posted an 18 percent lower stiffness score than RPM Blast. 25 at 54 lbs. Offers more power on shots like serves and volleys. Let's start hearing about it. However, the main reason polyester tennis strings provide players with more control lies in the inherent stiffness of the string. 20 gauge and prefer that!) Stiffness: The string is somewhere between Tour Bite and Hyper-G. + Ideal for some extra lift on the ball and stiff rackets. Choosing the right string is essential while looking at the stiffness. Too much deflection or trampolining Tennis strings almost invariably come with trade-offs. 59 lbs (26. He said, "This was a firm string, but the initial tension drop opened up the response a Mar 5, 2024 · This is the marketing text for the Restring Sync string: Our latest release designed for excellent control, outstanding feel, and longer lasting playability. It significantly impacts a player’s experience on the court affecting many different aspects of the game. 4 kg) Overall, Head designs the attributes of Novak’s racquets, including a smaller head size and tighter string pattern to help deliver maximum control and precision with a heavier weight that most players would find overbearing. Here is our Toroline K-Pro String Review. Tecnifibre recommends not to string it lower than 22 kg and also writes Jan 24, 2023 · Babolat Pure Aero 98 Review. Still delivering the superior snapback you’ve come to love about our Apr 1, 2020 · Racquet stiffness is a measurement of how much a racket bends when it makes contact with the tennis ball. I got a question from a Tennisnerd member (on Patreon) about choosing a string for your racquet. Kept tension relatively well. Choosing a string. Signum recommends stringing with 10% less tension than usual polyester or nylon strings because of the minimal tension loss. The range of string elasticities is 99 (The softest string tested) to 981 (the stiffest string made). Jun 2, 2024 · Most of the best tennis strings can fall into one of four categories. Chris, who typically plays with stiffer, less powerful polys, appreciated the extra pop. 05 mm to 1. Here are some factors to keep in mind: Power vs. Playability Duration - Score: 76. 25, and 1. Strings. He said, "This string offered a tad more power than the kind of poly based strings I typically gravitate toward. Frequency is measured in Hertz (Hz), where 1 Hz = 1 cycle per second. The stiffness is fairly dependant on tennis string tension and the type of strings you are using while playing tennis. She added, "As far as Yonex strings go, I'm most familiar with POLYTOUR PRO, and I found this REV string to feel and play firmer than POLYTOUR PRO. Free Shipping over $50 Comfort - Score: 77. summer kickoff - use code summer for 20% off all orders. This is the number of back-and-forth cycles that the racquet completes in one second. They are typically preferred by players with a fast swing speed who want to generate as much power as possible. 25 gauge ( I have later tested it in a 1. Jan 21, 2022 · Jan 21, 2022. Tennis racquet stiffness is a numeric value assigned to each racquet that measures how much a frame flexes during contact with a ball. Aug 10, 2023 · Price: $$$ | Gauge: 16L. Strings have been made with a variety of materials and possess varying properties that have been measured, such as dynamic stiffness, tension retention, thickness (gauge), string Oct 19, 2021 · It competes well with all the strings mentioned and it’s a medium to soft stiffness, which is kind of what I prefer when it comes to polyester strings. Findings from University of Sydney Tennis Warehouse Study (2016) Researchers Crawford Lindsley and Rod Cross performed an in-depth study exploring the effect of temperature on string tension and stiffness. Polyester strings tend to be the stiffest and lowest-powered type of string, but they do offer the most control, spin and durability. setup (-90%). Tennis Warehouse Europe Tennis Warehouse Europe Tennis Warehouse Europe Tennis Warehouse Europe Oct 30, 2023 · Let me know if you have tried this hybrid or other Toroline strings and what you think of them. Good ball pocketing and pop combine for controlled power. The Babolat Pure Aero VS brought the more control-oriented Aero into the spotlight again, thanks to being adopted by players like Carlos Alcaraz and Holger Rune. In this article, our string experts explain the role stringbed stiffness plays in performance. The String Pattern: More open pattern allows greater string bed deflection and more comfort but limits directional control. These strings don’t have any advanced technologies. Snake-Bite) in the mains and a softer string like Golden Set Synthetic Gut in the crosses. Polyester: best for advanced players who break strings often. According to our Tennis Warehouse University article , a tennis string's stiffness is a measurement of how much it stretches during a fast impact, like a tennis hit. It is a function of string tension and resultant stiffness. Let’s look at the following table. May 21, 2021 · The Yonex Ezone 98 offers above-average power for the head size and pairs that with impressive comfort. Free Returns. a low RA racquet can still have a stiff feel, or even have a soft feel and still aggravate tennis elbow. As I got in the late 40s, I was looking for a non stiff racket, Gravity S, frame stiffness 61 with poly 53lb. 20 and 1. Comfort - Score: 63 / Feel - Score: 83. control: Do you want more power or more control from your string? Power-oriented strings like Luxilon Alu Power and Luxilon 4G provide more pop and depth to your shots, but may sacrifice some control. Here are timestamps within the video if you’d like to jump to a specific section: 0:21 – Why Strings Are Important. GHOST WIRE Tennis String Set (40 ft/12. net. 1 95. 56 lbs (25. The results tell you, for example, that a string with a stiffness value of 220 lb/in is about 10% The combined influence of stiffness and mass is measured by the racquet's vibration frequency. The good news, according to our crew, is that this string's tension loss didn't translate into any serious playability issues. TRU PRO Ghost Wire: "The smoothest poly you have ever played with!" ALSO AVAILABLE IN: EUROPE | INDIA | GLOBAL | Find Your Region. However, Alu Power is not made for just anyone to use due to its higher string bed stiffness. May 23, 2020 · Tennis String Gauges. If you install the same string at same ref tension in different 16x19 100 in² frames, stiff vs flexible, and measured with RDC or RT, you will get the same DT. When I look at the specs, it seems lynx edges out lux in power (inverse of stiffness) and has more spin potential. 25 at 50 lbs, which felt stiff. Players with slower strokes or looking for more power may find "polys" too stiff and uncomfortable. The strings give a satisfying “pop”, and the sudden input of power either ends the point or gives you great dominance in the exchange. For example, if you want the surgical control firm polys offer, you typically have to endure some harsh feedback and discomfort, especially on off-center impacts. Stiffness can also deal with comfort, giving you arm issues like tennis elbow due to the harshness of the ball on contact (the loss of that energy on contact goes into the racquet and arm, causing stress on both things). aa cc qh mg as tf pa rt wm ko