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Babolat

RPM Team 17 (1.25)

Nylon/Polyester Gauge 17 1.37 mm In production

Lab measurements for Babolat RPM Team 17 (1.25), ranked against all 789 strings in the database. Every figure below is a testing-machine result at a fixed reference tension, not a playtest opinion.

Measured values

Stiffness

245lb/in

lower = softer, kinder on the arm

Tension loss

23%

lower = stays where you strung it

Energy return

92%

higher = livelier, more free power

Spin potential

5.3

higher = more spin off the string bed

Ball bite

0.433COF

higher = grabs the ball harder

Snapback

0.082COF

lower = strings slide and snap back

How it ranks against all 789 strings

Stiffness 245 lb/in · 98th pct

Stiffer than 98% of strings tested — punishingly firm — control at the cost of comfort.

Tension loss 23 % · 29th pct

Sheds more tension than 29% of strings tested.

Energy return 92 % · 76th pct

Livelier than 76% of strings tested.

Spin potential 5.3 · 65th pct

More spin potential than 65% of strings tested.

Ball bite 0.433 COF · 47th pct

Grips the ball harder than 47% of strings tested.

Snapback 0.082 COF · 28th pct

More string-on-string friction than 28% of strings tested.

Strings that play like this

Closest matches across stiffness, tension loss, energy return and spin potential.

Kirschbaum Max Power 17 (1.25) 93% match Double AR Raptor 1.27 91% match Gamma Zo Verve 16 (1.32) 90% match Kirschbaum Max Power 16 (1.30) 90% match Kirschbaum Max Power Rough 17 (1.25) 89% match Yonex Poly Tour Spin G 1.25 89% match

More from Babolat

What these numbers mean

Stiffness · lb/in

How much the string bed resists deflection. Higher plays firmer and more controlled; lower plays softer and easier on the arm.

Tension loss · %

Share of the reference tension the string sheds under a fixed test protocol. Lower means the bed stays where you strung it for longer.

Energy return · %

Share of impact energy handed back to the ball. Higher plays livelier and more powerful.

Spin potential

Ball friction divided by string-on-string friction. Higher means better bite with a cleaner snapback, so more spin.

Ball bite · COF

String-on-ball friction. Higher grabs the ball harder through the brush.

Snapback · COF

String-on-string friction. Lower lets the mains slide and snap back into place after impact.

Compare RPM Team 17 (1.25) against 789 strings Find the right string for me