Head to head
Tecnifibre Pro Red Code 18 vs Volkl V-Pro 18
V-Pro 18 leads on 4 of 6 measurements. The widest gap is ball bite, where V-Pro 18 is 9 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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Pro Red Code 18327th
V-Pro 18333rd
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Pro Red Code 18636th
V-Pro 18570th
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Pro Red Code 18198th
V-Pro 18234th
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Pro Red Code 18486th
V-Pro 18445th
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Pro Red Code 18470th
V-Pro 18426th
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Pro Red Code 18349th
V-Pro 18429th
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Pro Red Code 18500th
V-Pro 18462nd
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 Pro Red Code 18 at 52 lb
String V-Pro 18 at 51.4 lb 23.3 kg
Coming from V-Pro 18 at 52 lb
String Pro Red Code 18 at 52.9 lb 24.0 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.
Pro Red Code 18 mains / V-Pro 18 crosses
V-Pro 18 mains / Pro Red Code 18 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.
Pro Red Code 18
~22 hours of play
V-Pro 18
~24 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| Tecnifibre Pro Red Code 18 Polyester | 18 | $7.46 | 217 | 36 | 88 | 5.0 | 0.417 | 0.084 |
| Volkl V-Pro 18 Polyester | 18 | $8.99 | 213 | 33 | 88 | 4.9 | 0.429 | 0.087 |