BLACK FIRE also available in 1,20mm

ISOSPEED Pro-Player string BLACK FIRE now also available in 1,20mm because of the high demand on thinner gauges.
The thinner diameter offers more arm protection, spin and touch!

ISOSPEED string-spray available!

Check out our innovative new accessoire!

XChange Hybrid - Exchange strings

With” X-Change Hybrid“ ISOSPEED has developed two state-of-the-art strings synchronized especially with each other. This hybrid string is the result of intensive research and consists of two tennis strings tailored especially to each other