Yonex Arcsaber 6FL | DUAL WHIP-BACK Shaft technology for better Flexibility Yonex introduces all new shaft technology on this racket. They used tapered shaft which increased the flexibility of the shaft. This technology is known as dual whip back shaft technology which gives better playing characteristics to badminton player. It is developed with Nanoair spring material technology in which carbon fiber are bind with innovative way which give shaft flex like spring. While shaft act like spring, I give better energy management and its transformation. This badminton racket is suitable for all-round type of badminton players those who wants destructive power and fine control. Racket weight is 83 Gms while it’s available in G4 grip size. Key Specification of YONEX Arcsaber 6Fl: 1. Weight of the racket is around 83 gms. 2. Racket is equipped with DWB Cap technology in which racket shaft is kept tapered to provide better flexibility.. 3. Racket is strung with 19 to 24 lbs string tension. 4. Racket flex is flexible which gives good repulsion for fast returns and smashes. 5. Arcsaber 6FL is developed with isometric frame shape. This type of shape gives enlarges sweet spot. We all know that with enlarged sweet spot player can hit off center shots with more power. 6. Cross section of frame is designed with Aero-Box frame. Cross section with Aero-Box type shape gives better aerodynamics which results into better swing speed. 10. Built in T Joint technology gives stable T Joint section which helps in joint stability and result into accurate shuttle placement.