Brand
IsoSpeed tennis strings
Across the 13 measured IsoSpeed strings, the strongest signal is less spin potential than 89% of the database. Every measurement below is a testing-machine result at a fixed reference tension, not a playtest opinion.
Where IsoSpeed sits in the database
Median percentile across the 13 measured IsoSpeed strings. A bar past halfway means the typical IsoSpeed string carries more of that measurement than the typical string overall — which is not the same as being better at it.
- Spin potentialThe typical IsoSpeed string: Less spin potential than 89% of the database.
- SnapbackThe typical IsoSpeed string: Notches and grabs itself more than 87% of the database.
- Ball biteThe typical IsoSpeed string: Slicker against the ball than 77% of the database.
- StiffnessThe typical IsoSpeed string: Softer than 75% of the database.
What to buy from IsoSpeed, by problem
The highest-placing IsoSpeed string on each of the site's rankings, with where it lands against every measured string in the database.
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Lasts longer before it breaks
36th of 720 · see the full ranking
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More spin and shape
65th of 715 · see the full ranking
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Easier on my arm
101st of 783 · see the full ranking
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More power and depth
152nd of 783 · see the full ranking
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Best feel and touch
176th of 783 · see the full ranking
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More control, less launch
202nd of 783 · see the full ranking
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Plays the same for longer
236th of 783 · see the full ranking
All 13 IsoSpeed strings
Tap a column heading to sort. Colour runs from weak to strong for that measurement, so a bright cell always means more of the good thing whichever way the raw number points.
| String | Gauge | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Snap COF |
|---|---|---|---|---|---|---|---|
| Axon Mono 16L Polyester | 16L | 200 | 34 | 89 | 3.2 | 0.383 | 0.119 |
| Axon Multi 16L Nylon/Polyolefin | 16L | 126 | 29 | 91 | 3.0 | 0.432 | 0.146 |
| Black Fire 17 Polyester | 17 | 205 | 39 | 87 | 5.6 | 0.386 | 0.069 |
| Control 16 Nylon/Polyolefin | 16 | 150 | 25 | 91 | — | — | — |
| Control Classic 16 Polyolefin | 16 | 136 | 32 | 91 | 2.3 | 0.386 | 0.170 |
| Cream 17 (1.28) Polyester | 17 | 178 | 28 | 90 | — | — | — |
| Energetic 17 Nylon/Polyolefin | 17 | 157 | 34 | 90 | 1.9 | 0.413 | 0.220 |
| Energetic Plus 16 Nylon/Polyester | 16 | 155 | 22 | 90 | 2.4 | 0.410 | 0.169 |
| Professional Classic 17 Polyolefin | 17 | 134 | 29 | 91 | 1.6 | 0.321 | 0.207 |
| Pulse 16 Polyester | 16 | 165 | 57 | 82 | 4.7 | 0.346 | 0.074 |
| Pulse 17 Polyester | 17 | 159 | 56 | 83 | — | — | — |
| Pyramid 16 Polyester | 16 | 175 | 58 | 84 | 7.0 | 0.571 | 0.081 |
| V18 19 (1.12) Polyester | 19 | 180 | 40 | 87 | 5.1 | 0.483 | 0.094 |
Other brands
- Gamma 72 strings
- Prince 51 strings
- Wilson 51 strings
- Babolat 48 strings
- Kirschbaum 43 strings
- Tecnifibre 43 strings
- Head 40 strings
- Luxilon 40 strings
- Gosen 39 strings
- Solinco 38 strings
- Dunlop 37 strings
- Volkl 26 strings
- Pacific 24 strings
- Yonex 24 strings
- Tourna 22 strings
- Polyfibre 21 strings
Filter the full database to IsoSpeed Find the right string for me