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Yonex

Poly Tour Drive 16L (1.25)

Polyester Gauge 16L 1.28 mm In production

Lab measurements for Yonex Poly Tour Drive 16L (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

196lb/in

lower = softer, kinder on the arm

Tension loss

47%

lower = stays where you strung it

Energy return

84%

higher = livelier, more free power

Spin potential

7.6

higher = more spin off the string bed

Ball bite

0.500COF

higher = grabs the ball harder

Snapback

0.066COF

lower = strings slide and snap back

How it ranks against all 789 strings

Stiffness 196 lb/in · 64th pct

Stiffer than 64% of strings tested.

Tension loss 47 % · 82nd pct

Sheds more tension than 82% of strings tested.

Energy return 84 % · 14th pct

Livelier than 14% of strings tested.

Spin potential 7.6 · 95th pct

More spin potential than 95% of strings tested — elite spin generation.

Ball bite 0.500 COF · 77th pct

Grips the ball harder than 77% of strings tested.

Snapback 0.066 COF · 2nd pct

More string-on-string friction than 2% of strings tested — slides and snaps back freely.

Strings that play like this

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

Volkl V-Square 16 (1.30) 96% match Pacific Poly Power Pro 16 (1.30) 94% match Head Hawk Power 17 (1.25) 94% match Solinco Tour Bite 16 94% match Kirschbaum Spiky Shark 17 94% match Luxilon Element Soft IR 1.27 94% match

More from Yonex

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 Poly Tour Drive 16L (1.25) against 789 strings Find the right string for me