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Killerspin Fortissimo Review

Greg Letts reviews the Killerspin Fortissimo rubber, our latest high tension product. Unlike 95% of high tension rubber on the market, Fortissimo uses a Japanese sponge that is lighter than Tenergy's spring sponge.


I've been using Fortissimo for a couple of months now (on a Timo Boll Spirit blade), so now I'm comfortable enough to offer my thoughts on this rubber.

Player Level and Style

Attacking: Shakehander with inverted both sides, 2000+ USATT level. Used on a Timo Boll Spirit blade.

Rubber Reviewed

Killerspin Fortissimo inverted rubber, Red/Black, in 2.0mm sponge.

Summary

Fortissimo is a speed glue replacement rubber that appears to be aimed at the power looping table tennis crowd, being a touch faster and a little less spinny then their new GT2 rubber according to the speed/spin stats.

Who Will Like It

Players looking for a speed glue replacement rubber that provides plenty of pace while still managing to give that extra aggressive spin that speed glue was known and loved for.

Who Will Hate It

Anybody looking to play a safe, controlled game should probably look elsewhere. This is a rubber that performs like a demon in the top gears, but can be a bit of a handful in the touch game.

Marketing Claim

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 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 TM 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.

Specifications

The topsheet is grippy without being too tacky or sticky, and a bit softer than many other tension type rubbers. The sponge seems to be around medium firmness, although Iím not an equipment junkie so take my opinion with a grain of salt. Itís also a reasonably heavy rubber, not as heavy as some Chinese rubbers but definitely not one of the lightest out there. Two sheets cut to size on my Timo Boll Spirit rubber (which has a fairly normal size head) weigh in at 172.5 grams for the rubbers and blade in total.

Playing Impressions

I havenít tried a lot of speed glue replacement rubbers, so Iím going to compare Fortissimo to Butterfly Tenergy 05, which I tried out a while back, and which seems to be a pretty popular choice among power players these days.

Fortissimo feels more like a traditional speed glued Mark V or Sriver than the Tenergy 05 does. Itís got around the same speed as the Tenergy 05, but I feel that it is closer to the spin that traditional speed gluing produced. While the Tenergy 05 was fast but without the speed glue spin effect, Fortissimo is much better at producing a similar amount of spin to speed glued rubbers. The actual feel and touch of the rubber is also more like a fast speed glue job too. Of course, this is only my opinion, but with Fortissimo I feel that itís around 95% of the old speed glued rubbers effect Ė about the same in pace but around 90% of the spin maybe?

This also means that it plays fairly close to how standard speed glued rubbers play. Itís great for power looping Ė that old speed glue ďzipĒ is there in spades. It also does a pretty good job of spinning Ė Iím a spin looper when attacking and I had no problems producing a good spinny loop with a bit of zing thrown in for good measure. Lovely!

Counterlooping is a breeze, and blocking feels like blocking with any other speed glued rubber Ė a bit touchy at times but not excessively so.

Of course, no rubber is perfect, and neither is Fortissimo. In the short game, I found it to be a little harder to handle than a speed glued Mark V or Sriver, but Iíd say this is because itís a little less spinny, and doesnít have the benefit of the speed glue softening the sponge to improve control. But itís not uncontrollable by any means, it just needs proper handling and care, such as when serving and returning serve short.

Durability

Most tension type rubbers suffer from being a bit fragile due to the extra stress on the topsheet, but Iíve found that Fortissimo is actually quite tough. Perhaps itís because the topsheet is softer rather than harder, but Iíve hit the edge of my bat on the table a few times, and the rubber hasnít chipped at all, unlike other tension rubbers. At the prices these rubbers go for these days, having a rubber that can stand a bit of rough handling is a definite plus.

Overall

Iíve been using Fortissimo for my attacking play for a couple of months now, and Iím quite impressed with this rubber overall. Itís close enough to a traditional speed glued rubber that I donít have to worry about adjusting my attacking play, and the old speed glue feel is there. Itís a fraction harder to handle in the short game, but the ability to hit thunderbolts with strong spin is there, as compared to a Tenergy 05 which gives you the pace but not the spin.

In conclusion, Iíd probably say that the Tenergy 05 is suitable for power players who are playing a lot and can live with the lesser amount of spin produced, and resulting smaller margin for error. Fortissimo feels nearly as fast, but has the extra spin which gives you a bit more arc when attacking and thus a bit more room for mistakes Ė so for those power players who only play a few times a week (or who want to get that old speed glue spin and feel), I think Fortissimo would be a better choice overall. At any rate, when itís time to replace my rubbers, Iíll be going for Fortissimo over Tenergy 05.

Interested in purchasing Killerspin Fortissimo rubber? Buy Direct



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