-17% Out-of-Stock Badminton Yonex BG66 Ultimax Badminton String Set Yonex BG66Set Badminton String gauge (mm) de 0.63 a 0.67 mm €8.96 €10.80 For competitive players, the Yonex BG66 Ultimax Badminton String Set offers unparalleled precision and power. View