... :285+/-3mm iii.Weight :4U iv.Tension: 26-30LBS Badminton RacketSpecificationsModel: SNT3200Material: Nano CarbonBalance : 285±3mmWeight : 4ULength ... 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 ...