Head to head
Gosen Sidewinder 17 vs Topspin Cyber Flash 17
Sidewinder 17 leads on 4 of 6 measurements. The widest gap is string friction, where Sidewinder 17 is 21 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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Sidewinder 17416th
Cyber Flash 17466th
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Sidewinder 17314th
Cyber Flash 17326th
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Sidewinder 17475th
Cyber Flash 17472nd
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Sidewinder 17392nd
Cyber Flash 17492nd
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Sidewinder 17638th
Cyber Flash 17738th
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Sidewinder 17414th
Cyber Flash 17489th
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Sidewinder 17400th
Cyber Flash 17496th
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 Sidewinder 17 at 52 lb
String Cyber Flash 17 at 51.2 lb 23.2 kg
Coming from Cyber Flash 17 at 52 lb
String Sidewinder 17 at 52.4 lb 23.8 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.
Sidewinder 17 mains / Cyber Flash 17 crosses
Cyber Flash 17 mains / Sidewinder 17 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.
Sidewinder 17
~16 hours of play
Cyber Flash 17
~12 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| Gosen Sidewinder 17 Polyester | 17 | find | 159 | 47 | 85 | 4.6 | 0.412 | 0.090 |
| Topspin Cyber Flash 17 Polyester | 17 | find | 159 | 55 | 83 | 4.2 | 0.430 | 0.103 |
Add a third string Sidewinder 17 in full Cyber Flash 17 in full