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.
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).