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Killerspin Fortissimo

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Detailed Killerspin Fortissimo Review

The Ultimate Innovation in Rubber Technology! The Killerspin FORTISSIMO is an extremely innovative rubber made especially for high-level topspin players. The Fortissimo synchronizes modern table tennis technology to make this rubber unlike any other! The rubber consists of a hybrid top-sheet made of an elastic compound, which generates amazing rebound, as well as a soft compound that helps grab the ball and create more spin. Equal components of natural and synthetic rubber give an extra spring effect.

The Fortissimo features the best of 'East meets West', incorporating a made-in-Japan sponge, ideal for powerful top-spin shots, as well as German 'Torqsion Technology', which is stronger than normal tension standards, giving the rubber an added performance edge. All of this technology is protected by Killerspin's plastic bag to maintain the rubber's integrity from production to the court. Made in Germany. ITTF approved.

Used by Killerspin player Biba!

Available thicknesses2.0mm, max
Weight (cut to racket size)42-43g

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Compare rubber ratings - compare ratings to other sheets.

Racket Assembly Limitation: We regret that we currently can only assemble this rubber sheet to a Killerspin blade.

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Reviews of Killerspin Fortissimo (22)

Ratings for 2.0mm. Nothing killer about this spin, lacks grip. Not comparable to reputable table tennis brands.
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Good product.
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Speed: low (8.6).
Spin: average (8.9).
Control: high (9.3).
Tackiness: slightly tacky (2).
Weight: average (45g, 0.22g/cm^2).
Sponge hardness: medium (45/32).
Top sheet hardness: hard (56/44).
Gears: average (5).
Throw: medium high (6.4).
Consistency: always identical (10).
Durability: average durability (5).
Top sheet thickness: average (1.7mm).
Surface thickness: average (0.8mm).
Pip length: medium (0.9mm).
Pip width: average (1.7mm).
Pip spacing: average (0.8mm).
Overall: average (9).
Value: expensive (4).
Review helpful?    Yes | No

the best rubber i have played with! this rubber really impressed me. very fast and very spiny. i could really surprise my opponents by the spin put on the ball. it took about a week for me to adjust and fully understand this rubber, but i was very pleased by the result. looping is very easy and arc is decent. strongly recommend for fast and attacking players.
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Weight: 64-65 grams uncut 2.0mm, 67 grams uncut 2.1mm or max
Type: ESN rubber
Hardness: approx 45 degrees (medium hardness)
Speed: Offensive

Fortissimo is a musical term which means "to play very loud". I have used this rubber before but only for short time and it wasn't new. Got 4 sheets, 2x 2.0mm and 2.1mm rubbers both in red and black sheets. The sheets are very grippy when you rub your fingers against the topsheet. The sponge is a non porous ESN sponge although KS claims this is a Japanese sponge. The quality of this Killerspin rubber is comparable to Euro ESN rubbers.

I glued both red and black Fortissimo rubbers onto an ITC Challenge Force blade which is equivalent to a Butterfly Petr Korbel blade which is an all wood 5 ply off- blade (limba-limba-ayous composition). I used wbg glue for both sheets.


Both the 2.0 and 2.1 max versions are very fast. On drills the 2.0 have enough speed for offense and the max version is as fast as a Rakza 7. Whenever you hit through the sponge, it produces a loud cracking noice hence its name "fortissimo". I could compare its speed to a Tibhar Aurus or an Adidas P7.


The very grippy topsheet gives a vicious spin on loops although you have to dig through the sponge more or hit through it more to fully utilize the spin potential of the Fortissimo. The level of its spin is equivalent more or less to a Rakza 7 but lesser than the Adidas P7. It is spinnier if you compare it to Tibhar's Delta rubbers or Xiom's Vega Europe version. Loops give a medium arc. The thin topsheet with long inverted pips make spinning easy because it lets the ball sink into the topsheet and sponge and grip the ball better.

Overall Performance

The rubber is a superb all around attacking rubber for both forehand and backhand. For the forehand, it is a very easy attacking rubber especially when hitting and loop driving. The level of control is high and it is very easy to tame a very fast rubber. The rubber is linear in which what you give on your shots is what you get. For people who smash a lot, they would love this rubber. For backhand, it is a good blocking rubber because it is not sensitive to incoming spin and at the same time it is very easy to handle and control against spinny and fast loops. For all around players I would recommend using this on a 7 ply all wood blade but for offensive and intermediate players maybe it is better to use this on blades such as Timo Boll ALC or an ITC Strike Carbon. It is suited better for medium to medium stiff blades. Overall, a bang for the buck rubber at 44usd each.
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