: x( `8 f2 r' L6 B! L2 I
0 Z' E+ Y% F1 Q- c2 M0 t' i5 @$ H
depends on the weight of the racquet, 2u or 3u. / o9 a& D% D7 [
just by browsing any online store, you can find that info. ' F; s0 e0 B1 g7 [( G% Q) B2 yie. xin lan tian(in chinese) or mybadmintonsotre.com