Head to head
Tecnifibre TGV 17/1.25 vs Tecnifibre XR3 16
They split the measurements 3–3. The widest gap is energy return, where TGV 17/1.25 is 6 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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TGV 17/1.25600th
XR3 16599th
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TGV 17/1.25223rd
XR3 16214th
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TGV 17/1.25590th
XR3 16589th
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TGV 17/1.25212th
XR3 16237th
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TGV 17/1.25172nd
XR3 16173rd
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TGV 17/1.25683rd
XR3 16666th
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TGV 17/1.25211th
XR3 16231st
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 TGV 17/1.25 at 52 lb
String XR3 16 at 52.9 lb 24.0 kg
Coming from XR3 16 at 52 lb
String TGV 17/1.25 at 51.3 lb 23.3 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.
TGV 17/1.25 mains / XR3 16 crosses
XR3 16 mains / TGV 17/1.25 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.
TGV 17/1.25
~33 hours of play
XR3 16
~34 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| Tecnifibre TGV 17/1.25 Nylon/Polyurethane | 17 | $14.96 | 165 | 21 | 93 | 3.0 | 0.454 | 0.149 |
| Tecnifibre XR3 16 Nylon/Polyurethane | 16 | find | 163 | 21 | 92 | 2.9 | 0.465 | 0.161 |