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Tecnifibre

Black Code 15L (1.32)

Polyester Gauge 15L 1.32 mm In production

Lab measurements for Tecnifibre Black Code 15L (1.32), 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

210lb/in

lower = softer, kinder on the arm

Tension loss

30%

lower = stays where you strung it

Energy return

88%

higher = livelier, more free power

Spin potential

6.1

higher = more spin off the string bed

Ball bite

0.578COF

higher = grabs the ball harder

Snapback

0.094COF

lower = strings slide and snap back

How it ranks against all 789 strings

Stiffness 210 lb/in · 80th pct

Stiffer than 80% of strings tested.

Tension loss 30 % · 47th pct

Sheds more tension than 47% of strings tested.

Energy return 88 % · 43rd pct

Livelier than 43% of strings tested.

Spin potential 6.1 · 81st pct

More spin potential than 81% of strings tested.

Ball bite 0.578 COF · 94th pct

Grips the ball harder than 94% of strings tested — bites the ball hard through the brush.

Snapback 0.094 COF · 54th pct

More string-on-string friction than 54% of strings tested.

Strings that play like this

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

Pacific XCite 16L (1.25) 96% match Head Lynx Touch 16g (1.30) 95% match Gamma IO Soft 15L (1.40) 94% match Topspin Cyber Whirl 17 (1.24) 94% match Yonex Poly Tour Spin 16L (1.25) 94% match Tecnifibre Razor Code 18 (1.20) 94% match

More from Tecnifibre

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 Black Code 15L (1.32) against 789 strings Find the right string for me