Head to head
Gosen Polymaster I 16 vs Topspin Cyber Flash 16
Cyber Flash 16 leads on 4 of 6 measurements. The widest gap is ball bite, where Cyber Flash 16 is 49 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.
Measured, side by side
Bars are percentile against all 791 strings, and the marked side is the one that measures better, which is not always the one you want. A firmer bed is worse for your elbow and better for your control, and no measurement knows which of those you came for.
Which one wins, by problem
Each string's standing on the site's rankings, out of every measured string in the database. This is where a comparison stops being arithmetic and starts being a decision.
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Polymaster I 16408th
Cyber Flash 16348th
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Polymaster I 16522nd
Cyber Flash 16468th
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Polymaster I 16333rd
Cyber Flash 16350th
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Polymaster I 16567th
Cyber Flash 16554th
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Polymaster I 16706th
Cyber Flash 16635th
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Polymaster I 16311th
Cyber Flash 16262nd
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Polymaster I 16596th
Cyber Flash 16559th
Swapping between them: what tension?
Bed stiffness is published at one reference tension, so the only honest conversion is to scale it. These are starting points from 52 lb, not prescriptions. The calculator takes your own tension.
Coming from Polymaster I 16 at 52 lb
String Cyber Flash 16 at 58.3 lb 26.4 kg
Coming from Cyber Flash 16 at 52 lb
String Polymaster I 16 at 49.8 lb 22.6 kg
Hybrid: what if you used both?
Estimated, not measured. No hybrid combination has been tested as a bed. These figures are the two strings' own lab measurements weighted by how much of the bed each one actually is. Treat them as a guide to which way a pairing moves, never as lab data.
Polymaster I 16 mains / Cyber Flash 16 crosses
Cyber Flash 16 mains / Polymaster I 16 crosses
Which goes dead first?
Estimated from tension loss, which is the only thing the database measures about ageing. This is when the bed stops playing the way you strung it, not when the string breaks.
Polymaster I 16
~13 hours of play
Cyber Flash 16
~16 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| Gosen Polymaster I 16 Polyester | 16 | find | 187 | 52 | 85 | 4.7 | 0.349 | 0.075 |
| Topspin Cyber Flash 16 Polyester | 16 | find | 185 | 47 | 85 | 4.8 | 0.445 | 0.093 |
Add a third string Polymaster I 16 in full Cyber Flash 16 in full