Yonex Duora 99 Badminton Racketis something new and unusual to the badminton market. The Duora uses two frame profiles to achieve the benefits of control and speed depending on which side of the racket is used. The bright colouring acts as a guide in your peripheral vision to which side you are using.
Dual Optimum System - Frame profiles are normally designed around stability, aerodynamics or balance of both. The Dual Optimum System is half stability and half aerodynamic. The two sides of the frame use different profiles, rather than one profile trying to do both jobs.
Stability - a box shape frame to resist torsion and twist for more power transfer and precision.
Aerodynamic - aerodynamic profile with a Nickel-Titanium Fibre running around the crest for strengthe and durability.
Nanometric DR - Nanometric improves the bonding strength between carbon fibres allowing thinner carbon structures to have the same strength as thicker ones that don't use nanometric. Nanometric DR is used the the head of the racket in the box section to provide strength and stability around the head.
Solid Feel Core - A system to reduce the vibration through the racket for comfort and also provides a more robust feel to the racket.
Control Support Cap is a wider top cap to allow a higher control at the very top of the grip.
Super Slim Long Shaft - A thinned shaft for improved aerodynamics allowing a faster swing.
The T-Joint has been improved by adding T-Anchor, a new composite for racket torque reduction from off-centre hits. A foaming agent has been added around the T-Joint to create a tighter join between the frame and T-piece. This improves the stringbed response of the mains by reducing the movement at the centre grommets.
Standard Delivery £3.95 (2-3 working days)
Express Delivery £5.95 (1-2 working days)
Orders placed after 12pm will be processed and posted the next working day.
Free standard postage on orders over £75
We will deliver your item to our store within 1-2 days - FREE
Please click here to view our worldwide delivery rates.
We use a combination of couriers including Royal Mail and Parcel Force.
While we hope that you will love every purchase, if you are not completely satisfied with your goods, we will happily offer you a full refund or free exchange.
You are entitled to a refund or an exchange if you contact Greaves Sports within 14 days of receipt to acknowledge the return.
You then need to return your item(s) within a further 14 days in a perfect, resalable condition with all labels and tags attached.
You can return your items in the post or at our store.
*Please note: Swimwear and underwear are non-returnable.
For more information on our returns policy click here.
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