Head to head

Dunlop Ice 16 (1.30) vs Kirschbaum Pro Line II 1.30

Ice 16 (1.30) leads on 4 of 6 measurements. The widest gap is ball bite, where Pro Line II 1.30 is 10 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

Dunlop

Ice 16 (1.30)

Polyester · 16 ga

Kirschbaum

Pro Line II 1.30

Polyester

Stiffness lower = softer, kinder on the arm
20573rd pct
21079th pct
Tension loss lower = stays where you strung it
4578th pct
4883rd pct
Energy return higher = livelier, more free power
8520th pct
8625th pct
Spin potential higher = more spin off the string bed
5.876th pct
5.773rd pct
Ball bite higher = grabs the ball harder
0.42541st pct
0.44452nd pct
String friction lower = strings slide and snap back
0.0739th pct
0.07819th 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 Ice 16 (1.30) at 52 lb

String Pro Line II 1.30 at 50.7 lb 23.0 kg

Coming from Pro Line II 1.30 at 52 lb

String Ice 16 (1.30) at 53.3 lb 24.2 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.

Ice 16 (1.30) mains / Pro Line II 1.30 crosses

Stiffness74th pct · 1 measured
Tension loss80th pct · 1 measured
Energy return23rd pct · 1 measured
Spin potential74th pct · 1 measured
Ball bite42nd pct · 1 measured
String friction13th pct · 1 measured

Pro Line II 1.30 mains / Ice 16 (1.30) crosses

Stiffness76th pct · 1 measured
Tension loss81st pct · 1 measured
Energy return23rd pct · 1 measured
Spin potential74th pct · 1 measured
Ball bite50th pct · 1 measured
String friction16th 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.

Ice 16 (1.30)

~17 hours of play

Pro Line II 1.30

~15 hours of play

Both strings in full

Every published measurement
StringGaugePriceStiff lb/inLoss %Power %SpinBite COFFriction COF
Dunlop Ice 16 (1.30) Polyester16find20545855.80.4250.073
Kirschbaum Pro Line II 1.30 Polyesterfind21048865.70.4440.078

Add a third string Ice 16 (1.30) in full Pro Line II 1.30 in full