Tecnifibre X-One Biphase - Red - String Set onix which reduces stress on tendons

which reduces stress on tendons and muscles

high-stretch felt for optimal feel

more support and less pressure on feet for a more comfortable game

In bright “flame”

Tecnifibre X-One Biphase - Red - String Set onix which reduces stress on tendonsStand out with cool red strings in a high quality string. According to Tecnifibre, the X One Biphase string uses High Heat Capacity (H2C) fibers, which allows the use of an innovative chemical treatment process called Trimerization. This new process increases the cohesion between chemical molecule links through extreme variations in temperature to result in ultimate dynamic efficiency (power) and exceptional feel. The new patented Biphasic process,