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Head to head

Weiss Cannon Silverstring 1.25 vs Yonex Poly Tour Pro Yellow 16 (1.30)

Silverstring 1.25 leads on 4 of 6 measurements. The widest gap is ball bite, where Silverstring 1.25 is 18 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

Weiss Cannon

Silverstring 1.25

Polyester

Yonex

Poly Tour Pro Yellow 16 (1.30)

Polyester · 16 ga

Stiffness lower = softer, kinder on the arm
19663rd pct
19258th pct
Tension loss lower = stays where you strung it
4474th pct
4576th pct
Energy return higher = livelier, more free power
8737th pct
8737th pct
Spin potential higher = more spin off the string bed
3.824th pct
3.416th pct
Ball bite higher = grabs the ball harder
0.40728th pct
0.37410th pct
String friction lower = strings slide and snap back
0.10874th pct
0.11177th 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 Silverstring 1.25 at 52 lb

String Poly Tour Pro Yellow 16 (1.30) at 54.3 lb 24.6 kg

Coming from Poly Tour Pro Yellow 16 (1.30) at 52 lb

String Silverstring 1.25 at 50.5 lb 22.9 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.

Silverstring 1.25 mains / Poly Tour Pro Yellow 16 (1.30) crosses

Stiffness61st pct · 1 measured
Tension loss74th pct · 1 measured
Energy return37th pct · 1 measured
Spin potential24th pct · 1 measured
Ball bite25th pct · 1 measured
String friction74th pct · 1 measured

Poly Tour Pro Yellow 16 (1.30) mains / Silverstring 1.25 crosses

Stiffness60th pct · 1 measured
Tension loss74th pct · 1 measured
Energy return37th pct · 1 measured
Spin potential17th pct · 1 measured
Ball bite12th pct · 1 measured
String friction76th 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.

Silverstring 1.25

~18 hours of play

Poly Tour Pro Yellow 16 (1.30)

~17 hours of play

Both strings in full

Every published measurement
StringGaugePriceStiff lb/inLoss %Power %SpinBite COFFriction COF
Weiss Cannon Silverstring 1.25 Polyester—find19644873.80.4070.108
Yonex Poly Tour Pro Yellow 16 (1.30) Polyester16find19245873.40.3740.111

Add a third string Silverstring 1.25 in full Poly Tour Pro Yellow 16 (1.30) in full