Badminton racket head shape isometric level professional type of racket tournament racket weight strung 84 g gewichtsklasse 3u 85 89g 4u 80 84g grip circumference 7 94 mm racket balance handle heavy grip sizes g4 g5 technology yonex nanometric season 2014 series yonex nanoray serie additional information the offers may vary in grip sizes material graphite flex medium