Stiffness : S ○●○○○ F Balance : HH ○○●○○ HL . JS-10 will be launched Q1 – 2015.
This rackets will have new development at shaft ( more lighter, more slim 6.8mm ), Frame will be smaller and will be more faster for swing speed.
Along with this racket also launching 2 signature series rackets that endorsed by INA XD Player. JetSpeed S Ahmad, JetSpeed S Natsir.