Brand

IsoSpeed tennis strings

13 strings 13 in production Polyester 7 Nylon/Polyolefin 3 Polyolefin 2

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

Stiffness25th pct · 13 measured
Tension loss57th pct · 13 measured
Energy return60th pct · 13 measured
Spin potential11th pct · 10 measured
Ball bite22nd pct · 10 measured
String friction87th pct · 10 measured

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.

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.

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.

IsoSpeed tennis strings, measured
StringGaugePriceStiff lb/inLoss %Power %SpinBite COFFriction COF
Axon Mono 16L Polyester16Lfind20034893.20.3830.119
Axon Multi 16L Nylon/Polyolefin16Lfind12629913.00.4320.146
Black Fire 17 Polyester17find20539875.60.3860.069
Control 16 Nylon/Polyolefin16find1502591
Control Classic 16 Polyolefin16find13632912.30.3860.170
Cream 17 (1.28) Polyester17find1782890
Energetic 17 Nylon/Polyolefin17find15734901.90.4130.220
Energetic Plus 16 Nylon/Polyester16find15522902.40.4100.169
Professional Classic 17 Polyolefin17find13429911.60.3210.207
Pulse 16 Polyester16find16557824.70.3460.074
Pulse 17 Polyester17find1595683
Pyramid 16 Polyester16find17558847.00.5710.081
V18 19 (1.12) Polyester19find18040875.10.4830.094

Other brands

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