The Signum Pro Thunderstorm is a axially twisted, decagonal string that offers excellent spin and control. This durable string has minimal tension loss while offering a comfortable, control oriented feel. This thinner gauge also offers a great playability.
Hexagonal shaped Co-polyester string! Gives exceptional spin. Minimum tension loss (no string moving). High durability and high dynamic. Excellent ball control.
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.
Product features & key data: Optimum ball control Very good feedback Comfortable soft Arm-friendly string Further information: The Topspin Cyber Blue has been awarded both as "Newcomer of the year 2007" (Stringforum. net) and as String of the Year 2007 (Saitenforum.de).
This string brings out the soft side of all hardhitters. The best choice for sentimental allrounders who destroy any rhythm and a touch of harmony on the court with a smart slice or stop.