Tecnifibre X-One Biphase - String Reel age-8-and-under formerly known as Babolat Powergy

formerly known as Babolat Powergy

PolyTour Fire is a string that is designed for big hitters looking for lots of control

the QST 36 Foam is perfect for indoor court settings

It’s a way of life

5cm and Length 39”

Tecnifibre X-One Biphase - String Reel age-8-and-under formerly known as Babolat PowergyAccording 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, with its visible marks on the string, extends string life by