Head to head
Diadem Solstice Pro 16L (1.25) vs Volkl V-Star 18L (1.15)
Solstice Pro 16L (1.25) leads on 4 of 6 measurements. The widest gap is ball bite, where Solstice Pro 16L (1.25) is 13 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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Solstice Pro 16L (1.25)55th
V-Star 18L (1.15)96th
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Solstice Pro 16L (1.25)315th
V-Star 18L (1.15)313th
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Solstice Pro 16L (1.25)454th
V-Star 18L (1.15)458th
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Solstice Pro 16L (1.25)310th
V-Star 18L (1.15)311th
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Solstice Pro 16L (1.25)393rd
V-Star 18L (1.15)421st
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Solstice Pro 16L (1.25)72nd
V-Star 18L (1.15)107th
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Solstice Pro 16L (1.25)309th
V-Star 18L (1.15)311th
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 Solstice Pro 16L (1.25) at 52 lb
String V-Star 18L (1.15) at 53.4 lb 24.2 kg
Coming from V-Star 18L (1.15) at 52 lb
String Solstice Pro 16L (1.25) at 50.7 lb 23.0 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.
Solstice Pro 16L (1.25) mains / V-Star 18L (1.15) crosses
V-Star 18L (1.15) mains / Solstice Pro 16L (1.25) 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.
Solstice Pro 16L (1.25)
~25 hours of play
V-Star 18L (1.15)
~24 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| Diadem Solstice Pro 16L (1.25) Polyester | 16L | find | 179 | 31 | 89 | 7.3 | 0.589 | 0.081 |
| Volkl V-Star 18L (1.15) Polyester | 18L | $10.99 | 174 | 33 | 89 | 6.5 | 0.511 | 0.079 |
Add a third string Solstice Pro 16L (1.25) in full V-Star 18L (1.15) in full