About Duora Series:Racket is equipped with dual frame cross section technology which is basically a technology in which frame of racket is made of two different cross sections. Idea is to utilize full capacity of frame which can give different playing characteristics by using different sides. Two cross sections are Aero type and Box type. We know that Aero type frame Cross section is designed with keeping in mind the Aerodynamic laws which includes the optimizing the section to minimize the air resistance Box type frame is developed to give more strength and power. To further improve the racket behavior, Yonex used different material at different cross sections. By doing this innovation (Using different Cross sections and different material) , Yonex introduces racket with all new features in single racket. Player can use aero cross section for lightening fast racket handling while Box type of frame for powerful smashes.

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Comparison of Yonex Duora 33 Vs Duora 77

Following are the Key difference in two models:

1. Flex of Duora 77 is Medium Stiff Flex which means it will provide extra control on shots and players will get accurate shots delivery. Player will get better and accurate cross corner shots.

2. The Stiff shaft of the Duora 33 makes sure hard hitters gets maximum power on their smashes. Along with extra power , player will get better control on shots.

3. Duora 77 Racket is suitable for All-rounder players.

4. Duora 33 Racket is suitable for Offensive.

5. Both the Rackets are Head Heavy Balance.

About Yonex Duora 33 Badminton Racket:

Yonex Duora 33 Badminton Racket is designed for aggressive level player. The racquet is equipped with Yonex’s DUAL OPTIMUM SYSTEM—an innovative racquet design that features differing frame shapes on either side of the racquet head. Dual Optimum System and Nanometric DR. With These technologies, player will get more repulsion power and impact strength with racket. Its frame is made from HM Graphite, IC Elastomer and Nanometric DR which will provide you better balance during force and control with more accuracy. One side of the frame is box-shaped to put more power into smashes, while the other is aero-shaped to put more speed on returns. Very easy to use with a medium flex shaft and very stable head it enables players with modest ability to attain good power with excellent shuttle control. It contains new grommet hole construction which will provide you more grommet holes for a more high performance stringing pattern. This string tension is 3U 19-26 lbs and its weight is 88 Gms (3U) and 93 Gms (2U).

Key Specification of YONEX Duora 33:

1. Weight of the racket is around 88 gms.

2. Duora 33 is available in standard red which show the signature style in Lee Chong Wei.

3. Racket is suitable for offensive playing style.

4. The square-shaped ISOMETRIC frame shape is designed to keep vertical strings at a similar length, as well as the horizontal strings to produce an expanded sweet spot in all directions.

5. To improve the Hold, impact and repulsion (Three most important characteristics of racket), Yonex used Nanometer Dr which is high strength carbon material (Nanometer Dr normally used in Aviation industry). With the help of this material, badminton player gets better hold, fast repulsion and high impact strength.

6. Racket flex is Medium which gives good repulsion for fast returns and smashes.

7. The single-pass grommet hole construction provides more grommet holes for a more high-performance stringing pattern.

8. Built in T Joint technology gives stable T Joint section which helps in joint stability and result into accurate shuttle placement.

About Yonex Duora 77 Badminton Racket:

Yonex Duora 77 Badminton Racket is designed for intermediate level players. This Badminton Racket is equipped with the Dual Optimum System which will provide you increased racket head swing speed and you can get more momentum and extra power for better smashes and third line shots. Its frame is made from HM Graphite, Nanometric and Super HMG which will provide you better balance during force and control with more accuracy. It comes with HM Graphite with stiff shaft which will provide you better opportunities to hit the powerful smash shots. This Racket head shape is Isometric which is design to create the powerful hit with perfect timing and it is having the large sweet spot area which will provide you more opportunities to hit the powerful shots. In order to create the durable and high-strength frame, Yonex researched the T-joint section where the frame is connected to the shaft. It contains new grommet whole construction which will provide you more grommet holes for a more high performance stringing pattern. This string tension is 19lbs-26lbs and its weight is 77 Gms