New heptagonal shaped string developed for the higher-performance player. Allows a player to generate maximum power and greater ball bite for massive amounts of spin. Co-poly material is very responsive and provides lots of feedback. Excellent tension maintenance.
The newest, most interesting innovation of the last years! Minimum tension loss (no string moving). High durability and high dynamic. Excellent ball control.
The tennisstring Topspin Cyber Black is a tennisstring (SoP System) made of the latest state-of-the-art PETP. The tennisstring captivates with its super feedback at slow speed and the perfect control at fast strokes. In addition, the tennisstring is elastic, offers its tennis player good spin characteristics and effectively prevents slipping of the strings.