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POWER PRINCIPLE is a completely new. High-Copolymer, round, with a snap back as never before. The string has power, control at its best, supported by elastic additives.
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).
