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Comments: I have these strings in a used racquet I bought. I thought I would try them before I cut them out to put
my regular strings in it. I must say, "Wow!" I was impressed with the feel and great spin I got with these strings. Nice feel and
softer than I thought I would have with them. Nice depth and I can swing out and not have to worry about the ball being out. At
the net I can get good depth and control as well. It was strung at 60 lbs initially and I had it checked on an RDC machine and it
measured 40 lbs. I will definitely be buying more sets of this string to use in a few other racquets of mine. I get no arm, wrist or
shoulder pain with this string.
From: Mike, 2/15
Comments: Strung a full bed at 40 lbs on the AeroPro Drive. Like most said, it's a control string. I agree with Andy, I
think it's a great string to tame a racket, or player. I normally use RPM Blast, and I had to see if this string really has almost double
the spin potential as RPM Blast, as seen on the tennis university website. I would say yes and no. On slow shots, I say yes, feels
very sticky and controlled. On heavy shots, I say no, the string "tops out." So you lose lots of energy. RPM Blast has more gears,
more spin, and more speed on heavy shots. In conclusion, if you're looking for performance, don't get this string. If you're looking
to learn strokes or you desire more control, get this string.
From: Ben, 5/14
Comments: I am very happy with this string. Strung it at 55lbs on a Technifibre TFight 320. It feels very stable and
offers a lot of spin potential. There is also a nice pocketing when hitting flatter shots and altogether you get a lot of control. There
is more bite and comfort compared to TF Blackcode, Ruff Code and Luxilon ALU Rough. My string of choice.
From: Guillaume, 4/13
Comments: Initial testing: My flat serve improved so much on pace. Slice has okay
spin but speed has picked up. Kick serve does "kick". Forehand is good too but the bite on my two-handed backhand is so
comfortable that makes me a believer on this string's potential. Made my stringer work a little harder by making a two-piece
string set-up: mains at 50 lbs and crosses at 52 lbs. It is not a soft string but then I used a certain bracelet that helps
with the vibrations, so far so good!
From: MD, 4/12
Comments: Overall it is a good string because its not a very stiff string and has good feel, very good bite on the
ball, and lots of power. The only thing I noticed was that it looses tension quickly, maybe like 3 lbs or so after the first match.
Other than that it's a very good string for the price compared to other polys.
From: Rafa, 3/12
Comments: There is amazing spin with this string. However, it is hard to control and hard on my elbow.
From: Andrew, 11/11
Comments: Based on the previous comments I decided to try these strings and found them to be great stings. I play
with a Wilson K factor 6.1 95 and usually string with either ALU Big Banger or Rough. I have to admit there was a big difference
with the Spiky Shark. I found them to generate more topspin and the feel was softer than what I was accustomed to. The one thing
I would do differently is string them a bit looser because they are stiffer strings than Big Banger. It's definitely a keeper.
From: Henry 4.5, Oakland, Ca, USA. 4/11
Comments: Awesome strings. I play with tension of about 60 lbs. It generates tremendous amount of spin but
could be more durable.
From: G Rohit, India. 4/11
Comments: This is a great polyester string that offers amazing spin potential with a soft feel. The power level is
relatively low but still offers enough pop to get the job done. I play division 2 tennis and my whole team strings their rackets with
From: Ben, Springfield, IL, USA, 03/11
Comments: Spiky Shark is a top-class textured poly that is very playable, and I agree with the reviewers that
stringing a bit lower than what you normally do with other polys yield's
good results (57-60 usually but strung at 55), especially during colder temperatures. The
power feels spot on. There's enough pocketing to push the ball where you want and the
spin potential is high enough for a wide range of shots. Put away volleys and kick serves
are consistently potent. Because of how easy it is to hit out, you may mishit a bit more
leading to a few jarring moments, but I don't think it is particularly stiffer than your
average poly. My experience with this string was: hit most shots at 7/10ths, if it was out,
applied more spin until it was in, then hit the same shot at 9/10ths and got ready for
personal-best shots. Great stuff!
From: Anon, 01/11
Comments: I am a Sr Player, who plays about four to five times a week with a group of guys who rating ranges from
about a 3 to a 4.5. I fit in the middle. I got sold on Kirschbaum Strings with the Pro line and tried these for a change to possibly
improve my spin. With out a doubt these are the most responsive strings I've ever used. Will I use them again...Oh yes...
From: Jim, Oak Ridge North, TX, USA, 12/10
Comments: I've used this on my prince Prince EXO black and I get plenty of bite, definitely a 10. It's got good color
From: Chris, Lufkin, TX, USA, 09/10
Comments: I have tried all of the poly's out there and this is my favorite. You get great spin production from the
string and you can really take rips at the ball. In my eye's it is the best soft Poly on the market
From: Ryan, USA, 08/10
Comments: By profession, I am a professional musician and teacher. So I don't get too caught up in equipment
transforming a persons playing. But WOW. This string is incredible. The spin and placement I got out of this was just amazing.
And what it did to my serve was nothing short of a miracle. Thanks SPIKY SHARK!
From: Paul, Lincoln, NE, USA. 07/10
Comments: I put this on my K Blade 98 at 58 lbs and it felt great. I'd been using NXT with Enduro Pro previously,
and this was a BIG step up. I got lots of spin and response, and even after a month, it hasn't showed signs of breaking, though it
has lost a little bit of tension. If you want to get more spin, either try this out, or Luxilon Big Banger.
From: Eric, Benton, AR. 4/10
Comments: I like the string so far. I use a Pro Kennex Ki 20 with Babolat tonic natural gut. I decided I needed more
bite on the ball but not more pain and the combination with Babolat tonic 16 natural gut in the crosses with Kirschbaum Spiky
Shark 16 worked out real well it gives me more bite on the ball and a harder serve and I am keeping more balls in the lines. I am
also able to adjust the grip a little more on the western side for hitting harder without pain I hope it lasts only used it for ten
hours so far. A great hybrid for me.
From: Dennis Weber, Huron, Ohio 12/09
Comments: I ordered this string after reading some facts about it, but really didn't know what to expect. As far as
performance, this is the best string I've ever used. A great feeling polyester, the 8-sided shape really provides a ton of bite on the
ball. I feel like I could apply heavy topspin to most every shot...something I've not been able to do with any other string. My kick
serves have much more bite as well and never seem to fly on me.
From: Ryan, Lafayette, TN, US. 7/09
Comments: Just strung my Babolat APDC with this string and played with it once. Reminds me very much of
Kirschbaum Competition, but because of the shape of the string it has much more bite. Just like with Kirschbaum Competition it
takes 30 minutes of hitting for it to feel nice and soft. Strings don't move at all and seems very durable. If you like playing with the
Competition string but are looking for a little more bite, then give it a try.
From: James, Collegeville, Pa, USA. 11/08