) b3 A" w% x# b0 u ' x# y+ r; r9 r5 p7 e: ]: V2 ~depends on the weight of the racquet, 2u or 3u. 2 L/ o/ F* j! I0 T: `$ F/ p" Vjust by browsing any online store, you can find that info. $ Z1 |) o+ F" Z1 U
ie. xin lan tian(in chinese) or mybadmintonsotre.com