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Head to head

LaserFibre Native Tour 17 (1.25) vs Signum Pro Poly-Plasma Pure 17 (1.23)

Poly-Plasma Pure 17 (1.23) leads on 5 of 6 measurements. The widest gap is string friction, where Poly-Plasma Pure 17 (1.23) is 29 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

LaserFibre

Native Tour 17 (1.25)

Polyester · 17 ga

Signum Pro

Poly-Plasma Pure 17 (1.23)

Polyester · 17 ga

Stiffness lower = softer, kinder on the arm
20068th pct
20068th pct
Tension loss lower = stays where you strung it
4680th pct
4372nd pct
Energy return higher = livelier, more free power
8413th pct
8414th pct
Spin potential higher = more spin off the string bed
4.954th pct
5.262nd pct
Ball bite higher = grabs the ball harder
0.50077th pct
0.44955th pct
String friction lower = strings slide and snap back
0.10266th pct
0.08637th pct

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.

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 Native Tour 17 (1.25) at 52 lb

String Poly-Plasma Pure 17 (1.23) at 52.1 lb 23.6 kg

Coming from Poly-Plasma Pure 17 (1.23) at 52 lb

String Native Tour 17 (1.25) at 51.9 lb 23.5 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.

Native Tour 17 (1.25) mains / Poly-Plasma Pure 17 (1.23) crosses

Stiffness68th pct · 1 measured
Tension loss77th pct · 1 measured
Energy return13th pct · 1 measured
Spin potential55th pct · 1 measured
Ball bite75th pct · 1 measured
String friction61st pct · 1 measured

Poly-Plasma Pure 17 (1.23) mains / Native Tour 17 (1.25) crosses

Stiffness68th pct · 1 measured
Tension loss74th pct · 1 measured
Energy return13th pct · 1 measured
Spin potential61st pct · 1 measured
Ball bite60th pct · 1 measured
String friction46th pct · 1 measured

Open this in the hybrid builder

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.

Native Tour 17 (1.25)

~16 hours of play

Poly-Plasma Pure 17 (1.23)

~18 hours of play

Both strings in full

Every published measurement
StringGaugePriceStiff lb/inLoss %Power %SpinBite COFFriction COF
LaserFibre Native Tour 17 (1.25) Polyester17find20046844.90.5000.102
Signum Pro Poly-Plasma Pure 17 (1.23) Polyester17find20043845.20.4490.086

Add a third string Native Tour 17 (1.25) in full Poly-Plasma Pure 17 (1.23) in full