Ideal for players using a stiff racquet frame and/or looking for a very comfortable and arm-friendly string with enhanced spin potential.

Softest among all MSV-Co-Polyester strings. 38 % more elastic vs. MSV Focus Hex®. High-performance co-polyester.

Ideal for advanced players looking for an excellent balance between control and power combined with exceptional spin potential.

8% more elastic vs. MSV Focus Hex®

Hexagonal shape and strong snap-back effect for great spin potential.

High-Tech additives for excellent control, durability and tension stability.

Ideal for Club- or Tournament-Players with a powerful groundstroke

Hexagonal shape and strong snap-back effect for great spin potential

High-Tech additives for excellent control, durability and tension stability

Our best-seller.

GAMMA iO offers exceptional power, access to spin and pinpoint control. Its unique co-poly material takes ball pocketing to a new level, providing ideal levels of response and comfort. GAMMA iO is best suited for players with penetrating and punishing ground strokes from both sides.

Ideal for players looking for a maximum of spin potential and power.

Heptagonal, twisted co-poly string for highest level of spin potential.

#1 string in power and tension stability during play (Playtest of spin strings 2014 by German tennisMAGAZIN). #2 string in spin potential. Overall rating: GOOD.

The newest, most interesting innovation of the last years! Minimum tension loss (no string moving).
High durability and high dynamic. Excellent ball control.

The Topspin Cyber Flash is a tennis string made of the most modern, optimized PETP. Tennis players get a precise feedback from the SoP system for the individual strokes, which makes the string pleasant to play. With fast strokes, the optimal energy transfer of the tennis string pays off, which not only gives you optimal control but also very good ball acceleration.

Ideal for players looking for a powerful and armfriendly string with enhanced spin potential.

25% more elastic vs. MSV Focus Hex®.

Hexagonal shape and strong snap-back effect for great spin potential.

Low string movement.

Polyethyleneterephthalate, produced with extreme viscosity, with strong memory energy is the basic for one of the best strings the tennis world can expect.

Ideal for Club and Tour-Players with a powerful groundstroke looking for a very high level of control, durability and tension maintenance.

Made from same material like highly rated MSV Focus Hex ® but with round shape 25% less tension loss in comparison to well-known strings of competitive brands (based on data of TW University; Oct. 2017)

Highlight: Minimal sharp sided structures delivers much power, control and spin. For all skill levels and ages. Unique!
Important Note: String main + cross 1.0kg less than normal Co-Polyeste.

Ideal for advanced players looking for an excellent balance between control and power combined with exceptional spin potential.

8% more elastic vs. MSV Focus Hex®

Hexagonal shape and strong snap-back effect for great spin potential.

High-Tech additives for excellent control, durability and tension stability.

The newest, most interesting innovation of the last years! Minimum tension loss (no string moving).
High durability and high dynamic. Excellent ball control.

Introducing Dyreex Black Edge : a comfortable co-polyester with massive spin potential and surgical targeting on full swings. With its grippy five sided profile, the Black Edge puts a tight grip on the ball, making it easier for the strings to grab and load the ball with spin. Designed  with softening agents like polyethylene additives, this string is able to provide much more comfort and power than a standard polyester.