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Karakal Squash Racquet Technologies

Power Shaft


Improves stiffness, the result of this three part weave is added power transfer back in to the ball. This makes it perfect for players who like to hit the ball hard but need to maintain control in their shot making.


Inner Muscle System

Dramatically improves the control and power in the frame making even off centre hits feel like the middle of the sweet spot.

Inner Muscle SystemInner Muscle System

Groove Power System

Groove Power SystemGroove Power System

A' Power Shaft

A' Power Shaft

A' Power Mono-Shaft

Mono Shaft

Fan String Pattern

Fusion Technology

Fusion technology strengthens the throat area of aluminium rackets by encasing them in super strong graphite.


The graphite used in Karakal rackets is mainly of the Hi-Modulus variety, which is the same specification as graphite used in the aircraft industry.  Graphite is made by heating carbon filaments to create a single filament of carbon.  Heating this further to 2500-3000ºC, in a process called graphitizing, enhances this carbon to the Hi-Modulus (high strength) graphite that we use in the majority of our rackets.  Usually, due to graphite being a layered material, with weak forces holding the layers together, it is not particularly strong.  However, as part of our graphite-making process, we bond the graphite using either standard or Nano Superlight Resin so it is layered at different angles to create uni directional fibres, which gives the material strength in all directions and makes virtually torque free rackets.

Graphite Structure Graphite Weave

Muscle Tec

The Muscle Tec string system is designed to enlarge the sweet spot of the racket by allowing the strings to move over a smooth rounded surface rather than being static as in conventional rackets.  'Muscle Tec' enables the strings to be strung at a lower tension yet still gives a high tension feel.

Muscle Tec

Muscle Wave

Instead of making muscle section out of graphite or plastic, we have rolled the wave into the Aluminium extru/p>

Nano Technology

Nano Technology is a description of activities at the level of atoms and molecules that have application in the real world.  A nanometre is a billionth of a metre, which is about 1/80000 of the diameter of a human hair.  Nano Technology, when used in grips, changes the cell construction and instantly improves the feel and playability.  Likewise, when Nano Technology is applied to rackets, it fills the voids and air pockets that form when the frame is moulded, to give a frame that is more responsive and effective.  Karakal has also developed a new Nano Superlight Resin, which is used to bond the graphite during the manufacturing process, enabling control of weight and balance to previously unobtainable tolerances.

Nano TechnologyNano Fibers

Super Muscle

Super Muscle System

The new 'Super Muscle' uses larger, rounder surfaces for the string to move freely around, giving the largest power zone of any Karakal squash racket ever produced.  Like 'Muscle Tec', it also enables the racket to be strung at a lower tension but still gives a high tension feel.

Super Muscle SystemSyper Muscle System

Super Muscle System


Karakal uses Titanium in a variety of forms, either wire or mesh, which is bonded to the graphite in the construction process at the flex points of the frame or shaft, therefore strengthening the frame and encouraging it to return to its original shape quickly.  One of the benefits of this metal is that it is as strong as steel, but only 60% of its density giving it a high strength-to-weight ratio, thus allowing us to make stronger but lighter rackets.  Titanium, origionally discovered in Cornwall by the Reverend William Gregor in 1791, was named after the Titans of Greek Mythology by the German, Martin Klaproth, who rediscovered it in 1795.

Power Bands

The 'N' series Titanium frames have the power band system. Around the frame are 9 visible power bands which strengthen and tune the frame to give smoother power delivery

Power Bands

1-Piece Construction

Generally graphite rackets, where the handle, shaft and head are all made in one piece.

2-Piece Construction

Any racket where another process is added before the racket is finished, eg. a wooden or PU handle, or a T-Joint is added to the main material of the racket.

Karakal Terms

Balance Point

A point measured from the butt of the handle to where the frame pivots.  This determines whether the racket is head light, mid balance or head heavy.  Pro players in tennis and squash tend to favour head heavy rackets, whereas non-professional players prefer the feel of a mid balance racket.  Eg. Squash Racket length 680mm, Mid balance would be roughly 34-36cm.

Frame Weight

The average weight ± 5g.  This is calculated without string or grommet strips, but includes the grip.

Head Size

The strung area of the racket head, usually stated in square inches or square centimetres.  Can also be described as midsize, midplus or oversize.


The materials that make up the frame are specified in percentage terms eg. Hi-Modulus Graphite 90% - Titanium 10%.  The materials we use are Graphite (Nano Graphite, Hi-Modulus Graphite or Graphite), Titanium, Ceramic, Boron, Magnesium and Aluminium.

Power Zone

Power Zone, or Sweet Spot, describes the area on the string bed that gives the best performance.  The shape of the racket dictates the shape of the zone, and normally it is similar to a teardrop.  The middle of the racket is obviously more powerful than the sides of the racket as the strings have more of a trampoline effect.

String Tension

The "Best Play" string tension, as recommended on the side of the frame, will give the best all-round feel, power and control with the original factory string.

Strung Weight

This is final, finished playing weight of the racket, with string and the original factory grip.  Note - if you use a thicker, heavier grip, as well as altering the weight the balance point becomes longer, therefore head light.


Describes the shape and angles in the frame, usually only on graphite rackets.  Typical tapers would be constant taper, from thick to thin, dual taper, thin-thick-thin, or parallel, which is a fixed width from start to finish.


The amount of "twist" in a frame, usually caused by off-centre hits, where the sides of the frame will deflect and twist.  The less torque in the frame, the more accurate the shot when off-centre hits occur.

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