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JOOLA Energy Xtra - OFF Table Tennis Rubber

JOOLA Energy Xtra - OFF Table Tennis Rubber


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Performance Rating

Speed Rating
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Spin Rating
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Control Rating
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Hardness
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Product Information

Last year saw the introduction of the highly successful JOOLA energy, but now, JOOLA energy X-tra takes this one step further. The 37.5 degree soft sponge with the inclusive speed glue effect provides for even more spin and speed. It is especially suited to players who put emphasis on control of their strokes without renouncing the advantages of speed glueing.

Advanced development of "JOOLA Green Power" technology. The 37.5 degree soft sponge provides incorporated speed-gluing effect in a new dimension, for even more spin and speed.

Joola Green Power Technology:

Green Power is a rubber technology, whereby the performance achieved from fresh glueing is permanently incorporated into the rubber. Trajectory, playing feeling and the sound of fresh glueing are ever present features of this new product.

Incorporated speed glueing effect.

The Joola Energy X-tra gives consistent performance for longer than the regular Joola Energy rubber.

For a close up view of the rubber, click on "LightBox".

SPECIFICATIONS:

Sponge: Soft
Strategy: DEF extreme/OFF extreme
Speed: Fast
Spin: Extra high
Control: Extra high
Hardness: 37.5°
Pimples / Pips: In

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Price: $49.95 
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Specifications: <specification> <speed> <lowerLimit>0</lowerLimit> <upperLimit>20</upperLimit> <low>5</low> <medium>10</medium> <fast>15</fast> <extreme>20</extreme> <dial>15</dial> </speed> <spin> <lowerLimit>0</lowerLimit> <upperLimit>14</upperLimit> <low>3</low> <medium>6</medium> <high>10</high> <extrahigh>14</extrahigh> <dial>12</dial> </spin> <control> <lowerLimit>0</lowerLimit> <upperLimit>10</upperLimit> <low>3</low> <medium>5</medium> <high>8</high> <extrahigh>10</extrahigh> <dial>9</dial> </control> <hardness> <lowerLimit>0</lowerLimit> <upperLimit>50</upperLimit> <low>37</low> <medium>45</medium> <high>50</high> <dial>37.5</dial> </hardness> </specification>


Stock Data 2.0mm MAX
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JOOLA Energy Xtra - OFF Table Tennis Rubber


JOOLA Energy Xtra - OFF Table Tennis Rubber

Performance Parameter Value

Tensor Logo

GreenPower is a rubber technology, whereby the performance achieved fromfresh glueing is permanently incorporated into the rubber. Trajectory,playing feeling and the sound of fresh glueing are ever presentfeatures of this new product.

Incorporated speed glueing effect

Table Tennis Rubbers effecting Spin and strokes

Table Tennis Spin

Backspin: The easy-to-learn backspin strokes adds subtle lift to the first part of the ball-curve, lets the ball drop more suddenly, makes the ball bounce more upright and most significantly: makes the ball dive downwards when the opponent uses a common rubber (pimples inwards) on his racket. (The opponent is forced to seriously compensate for the backspin) Due to the initial lift of the backspin-curve, there’s a limit on how much speed one can hit the ball without overflying the opponents half. Backspin also makes it harder for the opponent to hit the ball with lots of speed. In table-tennis backspin is regarded as a defensive alternative, due to: the limitation on ballspeed, the simplicity of producing the strokes and the daring of the opponent. (It is possible to smash with backspin offensively, but only on easy high balls, close to the net)

Topspin: The hard-to-learn topspin strokes has a minor influence on the first part of the ball-curve, but the Magnus effect clearly forces the ball back down as it approaches the opposing side. On the bounce the topspin will accelerate the ball a little more. Again the most significant change appears when the opponent hits the ball (with a common pimples inwards rubber on his racket). Due to the topspin the ball jumps upwards and the opponent is forced to seriously compensate for the topspin. There’s virtually no limit on how much speed a topspin-ball can be given (besides your own timing and strength) and a speedy topspin stroke gives the opponent very little time to respond. In tabletennis topspin is regarded as a offensive alternative, due to: the virtual limitless ballspeeds, the highly required skills for producing the strokes and the enhanced tactical pressure on the opponent. (It is possible to play defensive topspin-lobs from far behind the table, but only world class players use this type of gallery play successfully)

Offensive strokes

Speed drive

These strokes differ to ones from other racket sports like tennis. The racket is primarily perpendicular to the direction of the stroke, and most of the energy applied to the ball results in speed rather than spin, creating a shot that does not arc much, but is fast enough that it can be difficult to return. A speed drive is used mostly for keeping the ball in play, applying pressure on the opponent and potentially opening up an opportunity for a more powerful attack. Loop drive

Essentially the reverse of the speed drive. The racket is much more parallel to the direction of the stroke ("closed") and the racket thus grazes the ball, resulting in a large amount of topspin. A good loop drive will arc quite a bit, and once striking the opponent's side of the table will jump forward, much like a kick serve in tennis. Returning a loop drive may not be as difficult to return as a speed drive; however, because of its topspin, it is more likely to rebound off the opponent's racket at a very high angle, setting up an easy smash (described below) on the follow up. As the loop drive requires a lot of topspin, players generally use their entire body to generate the movement required. Variations in spin and speed add to the effectiveness of this shot.

Chinese players categorize loop-drives in 3 variations based on trajectories:

1. The "Loop"

The "Loop" produces a more pronounced loopy arc, with a higher trajectory and extreme topspin, but is typically slower.

2. The "Loop Kill" ("Rush" in China)

The "Loop Kill" produces a flatter arc, with higher speed that resembles a speed drive but with stronger topspin, typically used for replacing speed drive or smash in "put-away" situations.

3. The "Hook"

Similar to a regular Loop, but carries a tilted topspin (or is referred as the "top-side" spin), it bounces sideways and downward upon hitting the table. Similar to but stronger than the defensive "side-drive" described below.

Counter drive

Usually a counter attack against drives (normally high loop drives). You have to close the racket and stay close to the ball (try to predict its path). The racket is held closed and near to the ball, which is hit with a short movement "off the bounce" (before reaching the highest point) so that the ball travels faster to the other side. If performed correctly, a well-timed, accurate counter-drive can be as effective as a smash. Flip (or Flick in Europe)

When a player tries to attack a ball that has not bounced beyond the edge of the table, he/she does not have the room to wind up in a backswing. The ball may still be attacked, however, and the resulting shot is called flip because the backswing is compressed into a quick wrist action. A flip is not a single stroke and can resemble either a drive or a loop in its characteristics. What identifies the stroke is instead whether the backswing is compressed into a short wrist flick. Also known as 払い "harai" in Japanese.

Smash

The offensive trump card in table tennis. A player will typically execute a smash when his or her opponent has returned a ball that bounces too high and/or too close to the net. Smashing is essentially self-explanatory—large backswing and rapid acceleration imparting as much speed on the ball as possible. The goal of a smash is to get the ball to move so quickly that the opponent simply cannot return it. Because the ball speed is the main aim of this shot, often the spin on the ball is something other than topspin. Sidespin can be used effectively with a smash to alter the ball's trajectory significantly, although most intermediate players will smash the ball with little or no spin. An offensive table-tennis player will think of a rally as a build-up to a winning smash; only a calculated series of smashes can guarantee a point against a good opponent. However, most players will be able to return at most one or two smashes consistently. Provided that the opponent is not too close to the table or too far away from the ball, a smash can be lobbed, chopped, blocked or even counter-looped, albeit with some difficulty. A player who smashes generally works out a series of smashes (and possibly drop-shots) to rush the opponent out of position, put him off balance, or both. Smashers who fail to do this find it difficult to win a point against an excellent defense.

Defensive strokes

Push (or Slice in Asia)

The push is usually used for keeping the point alive and creating offensive opportunities. A push resembles a tennis slice: the racket cuts underneath the ball, imparting backspin and causing the ball to float slowly to the other side of the table. While not obvious, a push can be difficult to attack because the backspin on the ball causes it to drop toward the table upon striking the opponent's racket. In order to attack a push, a player must usually loop the ball back over the net. Often, the best option for beginners is to simply push the ball back again, resulting in pushing rallies. For good players it may be the worst option because the opponent will counter with a loop, putting you in a defensive position from which most likely you will lose, unless you are a good chopper. Another option to pushing is to flip the ball when it is close to the net. Pushing can have advantages in some circumstances. Players should only push when their opponent makes easy mistakes. Offensive players should only push for variation and not for general rallies. A push can easily be counter-looped into the opposite corner if it is not short enough. The goal of most player's pushes is to make the ball land too short to be attacked, rather than attempting to over-spin the opponent.

Chop

A chop or cut is the defensive, backspin counterpart to the offensive loop drive. A chop is essentially a bigger, heavier slice, taken well back from the table. The racket face points primarily horizontally, perhaps a little bit upward, and the direction of the stroke is straight down. The object of a defensive chop is to match the topspin of the opponent's shot with your own backspin. A good chop will float nearly horizontally back to the table, in some cases having so much backspin that the ball actually rises. A chop such as this can be extremely difficult to return due to the enormous amount of backspin. Sometimes a defensive player can impart no spin on the ball during a chop, or frequently add right- or left-hand spin to the ball. This may further confuse his/her opponent. Chops are difficult to execute, but are devastating when completed properly because it takes a tremendous amount of topspin on a loop drive to return the ball back over the net.

Block

The block or short is a simple shot, barely worthy of being called a "stroke," but nonetheless can be devastating against an attacking opponent. A block is executed by simply putting the racket in front of the ball—the ball rebounds back toward the opponent with nearly as much energy as it came in with. This is not as easy as it sounds, because the ball's spin, speed, and location all influence the correct angle of a block. It is very possible for an opponent to execute a perfect loop, drive, or smash, only to have the blocked shot come back at him just as fast. Due to the power involved in offensive strokes, often an opponent simply cannot recover quickly enough, and will be unable to return his own shot blocked back to him/her. Blocks almost always produce the same spin as was received, which is nearly always topspin.

Push-Block

High level players may use what is called push block or active block, adding speed to the ball (with a small topspin movement). When playing in the Penhold Grip, many players use push blocks when being pressured on the backhand. Chinese pen-hold players refer to it as a push-block as they literally "push" their backhand forward, instead of simply blocking it.

Side Drive

This spin shot is alternately used as a defensive and offensive maneuver. The premise of this move is to put a spin on the ball either to the right or the left of the racket. The execution of this move is similar to a slice, but to the right or left instead of down. This spin will result in the ball curving to the side but bouncing in the opposite direction when the opponent returns it. Do not attempt a right-side spin (moving your arm to the right when hitting the ball) when too close to the left side of the table, and vice versa. To return, simply execute the same sided spin as your opponent just gave you.

Lob

The defensive High Ball or Lob is possibly the visually most impressive shot in the sport of table tennis, and it is deceptive in its simplicity. To execute a High Ball, a defensive player first backs off the table 4-6 meters; then, the stroke itself consists of simply lifting the ball to an enormous height before it falls back to the opponent's side of the table. A High Ball is inherently a creative shot, and can have nearly any kind of spin you can imagine. Top quality players use this fact to their advantage in order to control the spin of the ball. For instance, though the opponent may smash the ball hard and fast, a good defensive Lob could be more difficult to return due to the unpredictability (and heavy amounts) of the spin on the ball. Thus, though backed off the table by tens of feet and apparently running and leaping just to reach the ball, a good defensive player can still win the point using good High Balls. However, most of the time one will lose the point so it is not recommended unless it is really necessary.

Drop Shot

The drop shot is a high level stroke, used as another variation for close-to-table strokes (like harai and slice). You have to position the racket close to the ball and just let the ball touch it (without any hand movement) in a way that the ball stays close to the net with almost no speed and spin and touches the other side of the table more than twice if the opponent doesn't reach it. This stroke should be used when opponents are far from the table and not prepared to get close to the table. This technique is most usually done by pen-holders and players who use long or short pimples. A very deceiving technique, this could result in the opponent failing to reach the ball after misjudging the distance of the ball. A perfectly executed stroke after a topspin sequence can win a point.

- Wikipedia





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