Diadem
Diadem Dark Matter Tennis String
Diadem Dark Matter Tennis String
16 in stock
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Dark Matter delivers the perfect blend of power, comfort, and feel for players seeking a premium multifilament experience.
Engineered with a proprietary black pigment that bonds the filaments, it actively dampens harsh vibrations for an ultra-smooth, arm-friendly performance.
An added layer of polyamide coating enhances durability without sacrificing softness or responsiveness.
Ideal for non-string breakers, Dark Matter offers above-average power and impressive spin potential - making it the go-to choice for players who prioritize performance without compromising comfort.
Available in two gauges:
16 G - 1.32mm
17 G - 1.25mm
Shipping & Returns
Shipping & Returns
Free Shipping on all orders over $200.
Standard shipping (3–7 business days) on orders under $200.
Hassle-Free Returns: Return or exchange within 30 days of purchase. Items must be unworn and in original packaging.
In-store pickup available at our Scottsdale and Gilbert locations.
Price Match Guarantee
Price Match Guarantee
Found it cheaper? We’ll match any competitor’s advertised price. Bring in the ad or show us online — it’s that simple.
We stand behind every product we sell. Shop with confidence knowing you’re getting the best price and expert service.
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Free Shipping Over $200
Fast, free delivery on qualifying orders across the US.
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30-Day Hassle-Free Returns
Not the right fit? Easy returns and exchanges within 30 days.
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Price Match Guarantee
We match all competitor prices. Shop with confidence.
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Expert Service Since 1996
Family-owned with 30+ years of racquet sport expertise.