BG66 ULTIMAX RACKET RESTRING | YONEX JAPAN STRING VERION | SP MY CODEBelow is BG66 Ultimax racket restring review:- BG66UM is One of the more famed and popular string used by a lot of badminton players in Singapore. There is absolutely no doubt that in phrase of repulsion and hitting seem, BG66 Ultimax is the best string to this point. Now we have