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.
Monofilament CO-POLYMER of the highest quality grade, mixed with performance-enhancing chemicals.
A “poem” from a string! Like all CANNON POLYMERS, slip these HIGH-TECH tennis string and will not meet all requirements. 1.22mm covers the POWER-tennis, 1.28mm is fast, sustained by tremendous durability. Last but not least, the 1.33mm for the strings – “Killer …” if anything goes! Made in Germany.
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).