Tecnifibre X-One Biphase 16 String Red Customer feedback
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Comments: Buyer beware, this string will hurt your elbow and your arm. When originally shopping for this string, I
understood from the reviews that it would be a softer string that was easy on the arm. It is stiff as a board and unforgiving. I tried
it on three racquets, and each time successively lowered the tension, thinking I could find a tension that would make it playable -
nothing worked. No bite on the ball, stiff as a board. To note, the strings I purchased were the red ones, as I read the posts below,
I see someone else who had quality problems with the red strings.
Comments: I really liked this string for the 2 hours that it lasted. It was very lively and the feedback was good. I
normally do not break strings and I didn't expect this one would break so fast. It was professionally strung, so I doubt it was a bad
stringing job. I might have ran into a bad batch or something. Strung it at 59 lb on Dunlop Aerogel 4D 200. Would use it again,
but can't justify the price to try it one more time.
Comments: I've been using this string for close to 7 years now and I wouldn't use
anything else. It's combination of power and fell is unrivaled and if you are an
intermediate to aggressive player, adding these strings to your frame is the easiest way
to take your game to the next level. I would not recommend this product if you are
someone who does not like to break stings, as the overall durability isn't the greatest.
One set of strings will usually last 8 to 10 hours of heavy hitting before giving in, but in
that time there is almost no noticeable loss of playability.
Comments: This string has great feel and pop, and doesn't slide around. My favorite string yet.
Comments: I used these strings in the mains with Signum Pro Plasma HEXtreme in the crosses. I broke two mains
within one and a half hours. Otherwise, the string was nice and soft on the arm. Stringing it was nice and easy, as it was quite a
flexible string. My only complaints are that I feel that it was a bit mushy and I lost the ball in the stringbed a little. Great string,
but I wish that it was a bit more durable.
Comments: Response to Steve, 8/11, below and others experiencing short string life, Steve mentioned the problem
with the crosses wearing prematurely, I experienced the same problem. The solution is to reduce the tensions of the crosses to
the mains. Not easy and you will need several trials, but if you stick with the mains at a set tension, reduce the crosses until you
no longer see the wear or at least see equal wear on both. For me, it was 62 mains, 58 crosses. Every racquet head is
geometrically different, so it will be trial and error for different rackets and users with different tensions.
Comments: I tried this string in a Wilson K Blade Tour after being a loyal Wilson NXT user. I prefer this string to NXT
and I really liked the NXT. This string is very arm friendly like NXT but has a little more punch or feels a little more crisp. The
string surface allows for some nice spin as well. I'm sold on this stuff!
Comments: We kept X-One in the mains and put a "Poly" in the crosses and that works great! The mains still look
new after a week of hitting. For some reason this string not durable in crosses.
Comments: I'm currently using NRG2 16 in the mains @ 48 on Donnay X-Blue 99. Crosses are Genesis Black Magic
16. It's the best string combo that I have used in the Donnay's. The NRG2 plays awful close to gut. It's not as powerful as gut, but
more cost-effective. It plays better with a poly in the crosses than a cheap syn.
Comments: They have tremendous feel and comfort. I have them in a hybrid, with Luxilon Alu Power Rough in the
crosses. The best bang for your buck for a multifilament that is comparable to natural gut. I'm not sure about durability yet as I've
only played the strings for a little over 4 hours, but so far I'm extremely impressed and will likely buy again. Tecnifibre's premiere
Comments: This is one of the best multifilaments out there! I am a high school player playing with a Prince 03
Speedport Black. I had this string strung at 56lbs. After a quick break-in I was able to hit with some great spin and power. I always
felt like the string had good
control as well. I would recommend this to any player looking for a great multifilament
string that offers great spin and power.
Comments: These strings are really awesome I try it with a full bed with my Aeropro drive GT+ it was really good it
provides the power that I need. In my other Aeropro Drive gt+ I use rpm in the mains and Tecnifibre x-one in the crosses to me I
think thats the best hybrid I have ever used, I love x-one.
Comments: I am wanting to do a red/black colored string hybrid on my blx 6.1 tour I am thinking these strings
with Babolat rpm blast, is there a better choice?
Comments: My requirements in seeking out a string were that I wanted a combination of:
Comments: I was wrong about arm friendliness of this string. It is really good. It starts stiff but then after 2 hrs of
hitting it feels much much better. So I wouldn't advise lowering string tension but get used to it. Durability is also pretty good.
Really a nice alternative to natural gut and it's got tons of pop. I have switched to 17-gauge version of this string, which I think
one of the best multifilaments I've ever played so far (trust me I have tried many many strings). See my review in 17-gauge.
Comments: Let's get serious. This is the best bang for the buck for a hybrid set-up. It pains me to reveal this info,
but string it in the mains with PSG Duraflex in the crosses at the tension of your choosing. Reap the rewards.
Comments: Used these string on cross with Luxilon ALU Rough 16L on K Blade Tour with a denser 18X20 string bed
at first 57 lbs and then 54 lbs. I was very disappointed with the string, I thought it was like gut. It was the opposite. It was like
hitting a brick, the ball was landing shallow and my arm was in great pain, had to cut out both strings. Be careful on what you
read. I'm a very hard hitter, so these string caused my arm to hurt for a week.
Comments: Am I missing something here? I strung these on my Head Radicals at 61. I have played USTA for almost
10 years, and before switching to these strings I used Babolat Hurricane and/or Luxilon Big Bangers. For me these strings were
horrendous. I practically had muscle all my balls for spin, very mediocre feel, and a sweet spot the size of the ball itself. For me it
took 2 weeks (4 times a week) to break in. And even then, very little spin was provided, overall very disappointed with these
Comments: It's really similar to natural gut. If you like gut and want it with a lower price, this is your choice.
Please use this string and save the cows. :)
Comments: OMG, this string is just wonderful. With power, control, and durability all in one, I just love it. To tell the
truth, this string was worth more than the Prince Synthetic Gut Duraflex 16. When I had this strung with my Wilson Coral Wave at
58, I could notice a significant improvement on my groundstrokes with lots of pops and also my performance overall. Plus, my
arms did not tire out or felt sore at all. I would definitely recommend this string to anyone even if the strings are a tad bit
expensive and did not come in many colors.
Comments: I re-strung my racquet for the first time. I rate my self as 2.5-3.0. The stringer strung 2 lbs above the
range for max control and less long-balls (which was my biggest problem). I did not like these strings at first, but after hitting for
about an hour, I absolutely loved these strings. No more long-balls. I was able to hit my shots with a lot of pace and a lot of top
spin for the first time! My hitting partner(rated 4.0) said he noticed a HUGE improvement in the placement and power of my shots.
Also, no soreness in the elbow after a 2 hr session! I didn't notice any movement of the strings either. Now...let's see how long
these strings can last.
Comments: This is the best string I've ever used, it does every thing well from hitting the slice to hitting the kick
serve. It hits great topspin, which is needed for a modern game. Great string to come in and sneak in a serve in volley every once
in a while. The only things I didn't like about it was it isn't very durable and moves frequently. I would give it a 9.75/10
Comments: I don't like this string, because it breaks very fast. However,
the playability is good, but it doesn't worth to restring every 2 days.
Comments: Well, I have been viewing the comments posted about this string. Some are saying that this string has
too much power, so string it high. Here is a suggestion: If you are the type of player who has to hit 100 mph ground strokes, then
maybe you should just hit with a piece of wood for direct transmission. Or maybe hit with metal wire, that will give you bite and
control. My point is this: Learn how to swing the frame. It goes like this: The best string produced is Babolat VS TEAM 17. Then
there is Tecnifibre X-One Biphase. Its simple to understand this string is a pleasure to hit with. Oh, and thanks for saving my arm
Comments: I had strung this string fairly high (62) and I was very disappointed; I found little control and WAY too
much power. It was like a trampoline.
Comments: Strung X1 16g at 62 lbs mains with synthetic crosses, tension loss after about 4+ hours, main strings
moved a lot after playing with a lot of spin. Previously tried X1 in 17g, tension held better than 16g, less string movement, but too
much power. Probably 16g better suited for stringing as crosses.
Comments: Good strings with excellent feel and pop but not very durable
Comments: Great string. Hands down my favorite string that I have used so far. I personally have strung on both
the mains and crosses. It's pretty durable, I get about half a month to a month with them. Color is nice and gives the most control
and pop on serve.def worth giving a try. strung mine at 57lbs
Comments:The X-One Biphase 16's are excellent if you are a player with heavy topspin. Strung at 54 as crosses
with Luxilon Big Banger as the mains, the strings lasted about three days with an average of three hours of hitting per day. The
mains were broken in and lively but the Biphase's started to wear as if the too much topspin had thinned it down and the sweet
spot literally looked like it was made of cloth. The only problem is the durability, other than that, no complaints.
Comments: These strings do everything well. Good power and very lively off the strings. Yet still good control and
good spin on delicate shots. Feels soft and spongy which may be reason why I feel the sweet spot has expanded. Durability is
good. It frayed in time, but still plays well. For people who demands more from their strings.
Comments: Wonderful string- for the first hour or two it felt stiff, but then it relaxed and hits beautifully with more
feel and power than the old 515 or the NXT Tour. Using Maxply Macenroes with extra weight on the handle and at 3 and 9 o'clock
positions, strung at 55 lbs and the response is amazing. String has begun to move a little but nowhere near the way the 515 or
NXT Tour moved. Very satisfied.
Comments: Watch out the red strings look and feel very different from the clear ones. I used the clear ones for
over a year and love them. When I saw the pros playing with those red strings, I thought it be cool to play with similar looking
strings. Well watch out for the cool factor. It is a waste. I was playing with my best tennis buddy, and he had a clear set of X-One
Biphase. I had my red set. To the touch, the strings felt completely different. My friend did
not even believe they were the same strings. The clear one feels like a top-notch multi-filament synthetic gut. The red one feels
like cheap slippery single filament cheap nylon. I have a spare set of reds, and I am returning and exchanging them for a set of
clear ones. Just saw a video of John Isner, and he did play with the red ones. I'll leave those to him. I am not trying to be cool
anymore. I just want the best strings, and it is the clear ones.
Comments: I was using Babolat Pro Hurricane Tour, but it was killing my elbow. Now this stuff is incredible! Freshly
strung, it's very powerful, but pockets the ball so well that control is perfect. It doesn't dampen vibration as well as I'd like, but of
course a nice "US OPEN" dampener takes care of that. Highly recommended.
Comments: I use ALU Rough crosses and Babolat gut mains at 60#. More powerful than gut, and 1/4 of the
durability. Going with poly crosses gives you a much stiffer, more control oriented stringbed than poly mains. I went through 4
sets of this string to just one of my gut. I play with a Flexpoint Prestige MP, so my strings last much longer than in other racquets.
Because of that, price isn't an issue. I like the string just fine, but it is not a substitute for gut.
Comments: Exceptional string. Very responsive, very good feeling, good spin and high precision. Average durability
but very willing to have average durability for the other exceptional qualities.
Comments: The string does have a nice feel to it but different. Way too much power and it just didn't produce the
topspin control that NXT does. I'm going to stick to NXT. Pure Drive 60#
Comments: This string in term of feel and durability are much better than Wilson NXT Tour 16 that I had before, it
hold the ball longer, and better in control. I string at 59 pound on my Prince Tour Graphite Classic Original Mid.
Comments: Strung in a KSix-One Team at 55lbs. Way too powerful, too springy, too slick. It might be OK if you
want to string at the maximum rec. tension. But I'm switching to something crisper (original sensation, which came in the
racquet, is much crisper) with much better durability. At 14.50 a pack, don't expect a miracle: it's an elastic multi that will fray
Comments: For power and feel this is the best string out there - plays like gut. I've tried all the strings in the
comment below, plus more. I've also tried a number of polys and hybrids. As far as control some of the polys may have the edge,
but if you don't mind some power this string is the best out there.
Comments: This is the best string I have tried so far. I have gone through many multifilament strings, NXT, NXT
Tour, Bab. Excel, K Gut, K Gut Pro and VS Gut and none of them hold tension as well or as comfortable as X-1 Biphase. This string
holds up to all good comments mentioned in my opinion. KFactor Six-One 95 at 57lbs.
Comments: Looks like I am the only female. I tried NXT before and loved it a lot, so I loved multi's. And then I
looked for a much better multi, and found biphase. I strung it at 56, pretty stupid. And I also had lead tape on my racquet. And
my shots very going out, so I ripped off all the lead tape on my racquet and the power went down. And is the right power to me.
This is a great string. My string started to fray so I invested in some string savers. And love this string a lot. A perfect mixture of
Power, Control, Comfort, spin. Love this, and for sure use it again. Next time I will string it at 63.
Comments: Yep, this is the string. Outstanding power and control. Feel is not quite as good as some of the
Babolat strings, but all things considered (incl. durability), this is the best I've used. I've had it in my Babolat Aeropro for the last
year. I agree with an earlier comment: string toward the high range for best control.
Comments: This string is great. I really like it.
Warning: Very powerful...so string it high.
Comments: Unbelievable, you cannot get a better string than this. I used gut before, but I love this string more than
the gut and it's half the price of gut and it's as good as gut. I love this string more than NXT, and NRG2. I got excellent amount of
power, perfect control, 100% comfort. I have tennis elbow, and after a session I felt no pain in my elbow. My backhands were
much better; my serve is way better. I say this is the best string I tried in 10 years. And I am shocked I didn't come across this
earlier. If you like NXT, and NRG2 and thought that they were awesome wait till you try this string, it will just blow you away. I was
200% happy about this string. In this review people were unhappy about was the durability, I solved that by investing in string
savers, so the durability increased.
Comments: I have to say that this string blows all strings out of water. I have never hit with a string with more
power, control, and feel. I mean the power and ball striking you get is incredible. On serves, the ball just explodes on kicks and
flat serves. The strings don't move, so its kind of like big banger in that there is controlled spin. I have nrg2, which is
outstanding, but this is a step above. This is worth the extra 2 bucks over nrg2.
Comments: I strung Luxilon Big Banger Alu Power 16 on my Pure Drive Standard because I heard it was a good
string. It was durable, but it was killing my arm. So, I decided to cut it off and put new string on. X One 16 is a really nice string.
It gave me drastic improvement on my strokes and especially my serve because this string has a lot of power. Don't get me
wrong; it doesn't make your racquet a springboard. I've played with this string for about a month, about 4 or 5 days a week, and
the string is still good and still has power. The string started to move during the beginning of the 3rd week though. X One has
excellent feel, power, and comfort, but it isn't good with slices and drop shots. While it is still possible to do a decent drop shot
or slice, its thickness, most likely, makes it harder to do good slice and drop shots. Nonetheless, this is a very, very good string.
Comments: I usually string with gut because I have both wrist and shoulder problems. I decided to
try Biphase because of all the great reviews and its arm-friendly nature. The previous post was right on - it
takes about two to three hours to settle in and then plays fantastic. Not as much power as gut but just as much
control, touch and comfort. I'm sold - this is my new string of choice. I use a Head Flexpoint Instinct strung at 60
lbs. and also get less vibration than gut with this string. You owe it to yourself to give this excellent string a try!
Comments: This string is fantastic!! I am a high school tennis player and I have
tried many different strings in my tennis playing career. I have went from Wilson NXT, NXT
Tour, Sensation, Reaction, Gamma Live Wire, TNT, TNT2, and many others. I have found
that Tecnifibre X-One Biphase gives me the most spin potential and most pop off my
forehand. The string takes a couple hours to get broken in, but after that it is sensational!!! I
recommend this string to anyone that is looking for great spin and exceptional power. Strung
on a Babolat Z-Tour at 60-62 lbs.
Comments: I played with it for a little over a month. Durability was not as good
as I wanted so I switched back to another string when it broke. My advice is if you don't want
to get hooked don't try it. I hate the price but now I have to have it. I definitely noticed a drop
off when I switched back to my old string. The feel is better than anything I have tied. You
rewarded when you hit thought the ball with solid strokes. You can feel the ball pocket and
other than throwing the ball over I don't know how I can get more control out of a string...I mean
a sting that has some pop. I started to place the ball deep in the corner with regularity. I
beat a guy 6-7, 6-2 and 6-1 that I had never even taken a set off of before. The string did not
make me instantly better but it gave me the confidence to go for more shots. The more I hit
with it the more confidence I gained and the better I got. I hate that I like it because it is not
cheap. But now I can't afford not to play with it. I play with a Prince Diablo Tour strung at 63
Comments:I used to use Luxilon Big Banger and it was just killing my arm. I
tried an arm friendly string Wilson Sensation and hated it. Then I tried the X-one Biphase
and it was great. No arm pains and hitting with great pace. I had good topspin coming of the
racquet. I felt I had good control and the string has decent durability. I would not say great
durability. It is a powerful string. I would recommend the string. I am going to try the
Tecnifibre NRG2 and compare.
Strung on a Babolat Pure Power at 56lbs.
Comments: Amazing string. I would not have tried it because of the price tag but
ordered a used racquet off the boards and it came strung with this. Amazing power and
comfort. Great control and feel. I definitely recommend it. Once I become manager of my
McDonalds I will definitely be ordering my own packs.
Comments: I didn't want to like it, because of the price tag, but I was given some
test string.... WOW, very comfortable and pretty powerful stuff! My opponents said it was the
best I have ever played. It wasn't like my game only improved a little, It was dramatically
better. Lots of pop, very similar to gut, pocketed well and my control was decent. No fraying
in 3 hours.
Gotta say, it is probably worth the money. I am used to buying 4 buck poly or synthetic... ooh
this is gonna hurt, but it might be the secret ingredient to my plan for COMPLETE WORLD
Comments: What a great arm friendly string. I really didn't like it at first because I
was into experimenting with expensive
polyesters and wasn't used to the feel. After a few matches I felt the tension hold was really
good and the durability a surprise because it
lasted as long as some polyester's I have used. Most definitely worth the bling.
Comments: The softest and fastest string I ever tried. I use it for cross strings
with monofilament mains.
Comments: Great string, exceptional feel and great power with just enough
control. I love this stuff! (I'm an all-court 5.5 player who strung his Head i.Prestige MP XL at
Comments: My favorite string from Tecnifibre. Although it is less lively than
NRG2, it has good power (especially compared to NXT). It is very controllable, largely due to
its notable ability to impart spin. Tension maintenance in this string is also better than
Tecnifibre's previous offerings. I have gotten relatively good durability from this multifilament
(aside from providing superb comfort, the polyurethane also seems to lessen string
movement). However, string breakers on a budget might be weary of the price. Strung in a
Comments: Plays similar to Tecnifibre NRG2, but is crisper and slightly less
powerful. String bed doesn't get as mushy as Tecnifibre NRG2 or Wilson NXT. The durability and tension
maintenance is much better. Plays similar to Laser Fibre Phenom and Klip Excellerator.
Comments: The softest and closest feel to natural gut. The durability is okay. Try
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