Head to head

Babolat Synthetic Gut 17 (1.25) vs Wilson NXT Duramax 16 (1.32)

NXT Duramax 16 (1.32) leads on 4 of 6 measurements. The widest gap is ball bite, where NXT Duramax 16 (1.32) is 46 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

Babolat

Synthetic Gut 17 (1.25)

Nylon · 17 ga

Wilson

NXT Duramax 16 (1.32)

Nylon · 16 ga

Stiffness lower = softer, kinder on the arm
16229th pct
16026th pct
Tension loss lower = stays where you strung it
179th pct
143rd pct
Energy return higher = livelier, more free power
9276th pct
9378th pct
Spin potential higher = more spin off the string bed
6.079th pct
5.773rd pct
Ball bite higher = grabs the ball harder
0.42239th pct
0.52385th pct
String friction lower = strings slide and snap back
0.0705th pct
0.09250th 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 Synthetic Gut 17 (1.25) at 52 lb

String NXT Duramax 16 (1.32) at 52.7 lb 23.9 kg

Coming from NXT Duramax 16 (1.32) at 52 lb

String Synthetic Gut 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.

Synthetic Gut 17 (1.25) mains / NXT Duramax 16 (1.32) crosses

Stiffness27th pct · 1 measured
Tension loss7th pct · 1 measured
Energy return77th pct · 1 measured
Spin potential79th pct · 1 measured
Ball bite49th pct · 1 measured
String friction14th pct · 1 measured

NXT Duramax 16 (1.32) mains / Synthetic Gut 17 (1.25) crosses

Stiffness27th pct · 1 measured
Tension loss4th pct · 1 measured
Energy return77th pct · 1 measured
Spin potential74th pct · 1 measured
Ball bite81st pct · 1 measured
String friction38th 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.

Synthetic Gut 17 (1.25)

~37 hours of play

NXT Duramax 16 (1.32)

~39 hours of play

Both strings in full

Every published measurement
StringGaugePriceStiff lb/inLoss %Power %SpinBite COFFriction COF
Babolat Synthetic Gut 17 (1.25) Nylon17find16217926.00.4220.070
Wilson NXT Duramax 16 (1.32) Nylon16$22.9516014935.70.5230.092

Add a third string Synthetic Gut 17 (1.25) in full NXT Duramax 16 (1.32) in full