5 `8 R* W3 Y9 B" D/ X/ ^: e; D8 w5 f) u4 S! |3 M
depends on the weight of the racquet, 2u or 3u. $ T2 I; U0 f# p/ t1 {# i
just by browsing any online store, you can find that info. 2 {+ p% w; M- W: e# F. l6 Bie. xin lan tian(in chinese) or mybadmintonsotre.com