Head to head
Gamma Zo Tour Rough 16 vs LaserFibre Vorso 16 (1.28)
They split the measurements 3–3. The widest gap is string friction, where Vorso 16 (1.28) is 12 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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Zo Tour Rough 16131st
Vorso 16 (1.28)101st
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Zo Tour Rough 16487th
Vorso 16 (1.28)434th
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Zo Tour Rough 16311th
Vorso 16 (1.28)343rd
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Zo Tour Rough 16496th
Vorso 16 (1.28)505th
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Zo Tour Rough 16666th
Vorso 16 (1.28)704th
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Zo Tour Rough 1684th
Vorso 16 (1.28)284th
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Zo Tour Rough 16527th
Vorso 16 (1.28)531st
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 Zo Tour Rough 16 at 52 lb
String Vorso 16 (1.28) at 53.8 lb 24.4 kg
Coming from Vorso 16 (1.28) at 52 lb
String Zo Tour Rough 16 at 50.2 lb 22.8 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.
Zo Tour Rough 16 mains / Vorso 16 (1.28) crosses
Vorso 16 (1.28) mains / Zo Tour Rough 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.
Zo Tour Rough 16
~14 hours of play
Vorso 16 (1.28)
~13 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| Gamma Zo Tour Rough 16 Polyester | 16 | find | 187 | 49 | 86 | 6.1 | 0.505 | 0.083 |
| LaserFibre Vorso 16 (1.28) Polyester | 16 | find | 181 | 52 | 85 | 6.4 | 0.501 | 0.078 |
Add a third string Zo Tour Rough 16 in full Vorso 16 (1.28) in full