... iii.Balance :285+/-3mm iv.Tension: 26-30LBS Badminton RacketSpecificationsModel: SNT3300Material: Nano CarbonBalance : 285±3mmWeight : ... carbon bicycle rims, carbon bicycle frames, badminton rackets, tennis rackets, taichi rackets etc.Our objective is to encourage low ... -carbon life, to promote bike sports and badminton ... future. manufacturer badminton rackets