Tecnifibre X-ONE Biphase Tennis String is Tecnifibre's premium string. It is designed to give ultimate power and feel for optimum playability and durability. It gives an extended string life of 20% and delivers increased spin. X-ONE Biphase joins H2C and NRG micro filaments to give it's powerful and dynamic response. Used by Roland Garros. Color-Red. Sizes-16g and 17g. 39'
- The new patented Biphasic process, with its visible marks on the string, extends string life by 20% and offers increased spin.
- Similar to its leading string,
- NRG2, the multifilament fibers within this string are immersed in polyurethane to provide shock absorption and optimum comfort.
- The new patented Biphasic process, with its visible marks on the string, extends string life by 20% and offers increased spin.
- Similar to its leading string,
- NRG2, the multifilament fibers within this string are immersed in polyurethane to provide shock absorption and optimum comfort.