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Yonex Duora 77 Badminton Racket

Size Guide

Brand: Yonex.
Product Type: Badminton Racket.
Frame: High Modulus Graphite, Nanometric.
Shaft: High Modulus Graphite.
Recommended String Tension: 19-26 lbs, 8.5-11.5kg.
Flexibility: Stiff.
Weight/Grip Size: 3U (Avg.85g), G4.
Cover Type: Full Cover.
Standard Delivery: 5-7 business days.

Special Price ₹4,530.00 was ₹5,775.00
Availability: In stock

Product Description:

  • Yonex Duora 77 Badminton Racket is an all-round model equipped with the dual optimum system to boost power on your forehand and distance on your backhand.
  • Dual frame design featured in this racket is designed for perfect control and power covering all angles of your game play.
  • Yonex Duora 77 is an evenly balanced long size racket with slim shaft. 
  • The Isometric head shape enlarges the sweet spot, improving accuracy on all shots, even if they are off-centre.
  • This racket uses new grommet pattern.
  • Please note that this racket comes strung.
  • While conventional racquets focus on decisive power and speed, the Duora series has been made specifically to allow players to strike back, close in, dismantle opponents’ composure and create chances to attack.
  • Frame of the Yonex badminton racquet is made of High Modulus Graphite/Nanometric β.
  • Shaft is made of High Modulus Graphite.
  • Yonex Duora 77 weight is 3U (Avg.85g) and Grip size is G4.
  • The recommended string tension of this racket is 19-26 lbs, 8.5-11.5kg.
  • Flexibility of the racket is stiff.
  • Yonex Duora 77 badminton racquet comes with full cover.

Duora 77 Overview:

With duora’s cutting-edge technology, command the court with every single shot. Huge forehands. Quick backhands. The duora lets players do both with one revolutionary design.


Duora 77 features DUAL OPTIMUM SYSTEM:

A new frame design that allows a single racquet to excel on both forehands and backhands: One side is built with our Box frame design for increased shuttle-hold and repulsion on forehand shots, while the other is built with our Aero Frame design to immediately repel the shuttle on backhand hits.                                                                                       

Yonex Duora 77 Badminton Racket Dual Optimum System

Duora 77 features NANOMETRIC β:

Grounded in nanoscience, this material binds carbon fibres tightly together one-by-one without any gaps, for enhanced strength.

Duora 77 features ISOMETRIC FRAME:

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.

Yonex Duora 77 Badminton Racket Isometric Frame 

Duora 77 features NEW GROMMET PATTERN:

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

Yonex Duora 77 Badminton Racket New Grommet Pattern

Duora 77 uses BOX+AERO FRAME:

Box frames are stronger and stiffer. It allows for more power transfer.

Aero frame minimizes air resistance. With low air resistance player’s swing speed will increase.

Yonex Duora 77 Badminton Racket Box Frame + Aero Frame

Duora 77 uses BUILT-IN-T-JOINT:

Moulded deep into the layers of graphite where the frame connects with the shaft, the YONEX Built-in T-Joint creates a durable and high-strength one-piece frame that is torque-free.

Yonex Duora 77 Badminton Racket Built-in T-joint


The control support cap provides an 88% wider flat surface compared with an ordinary racquet for easier gripping, fast follow-through and the sharpest maneuverability.

Yonex Duora 77 Badminton Racket Control Support Cap

Duora 77 Specification:

Product name

Duora 77 or DUO77

Product type

Badminton Racket

Brand name


Racket series


Frame material

High Modulus Graphite/ Nanometric β

Shaft material

High Modulus Graphite

Recommended String Tension

19-26 lbs, 8.5-11.5kg



Cover Type

Full Cover

Technical Specification:

Weight/Grip size

3U (Avg.85g) / G4

* Dimensions mentioned are approximate values.

International Delivery:

  • This product is available for international delivery. Add the product to the shopping cart, choose country and zip code to find out delivery charges.

  • Please note that you are liable for all duties, taxes, CESS or any other charges levied (if any) by the destination country in which goods are shipped, to take delivery.

Warranty and Support:

No warranty is provided on the product by the manufacturer or Sportskhel.com as badminton rackets are subjected to wear & tear.


  • Color and design pattern of delivered product may differ from that shown in the image, as it is sourced in mixed batches.
  • Product color may also vary due to photographic lighting sources or your monitor settings.
  • Lifespan of badminton racket may vary from user to user.

Return Policy:

No return policy. Please refer terms & conditions for more information.

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Preparation and Maintenance of a Badminton Racket:

Tips to maintain racket in good condition:

  • A grip should always be maintained for better performance of racket. We have to keep checking whether the grip is adequate enough for good number of hits.
  • Before your game, test your string tension and use right material that suits your purpose.
  • Always make adjustment of your strings according to your need, starting with adjustment made to mid-range tension for a player without a specific power.  A greater power is rebound by strings with lower tension range.
  • Twice a year get your racket restrung to get optimal power and control.
  • Get your strings adjusted more often if you are playing several times a week.
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