The shuttle will be medium speed which is preferred choice for the majority of players if a different speed is required please contact our support line. The Yonex AS 10 Badminton Shuttles: 1Doz has been constructed from goose feathers and has a champagne cork of excellent flight trajectory which can only truly be experienced with a feather shuttle. Goose feather and champagne cork. Yonex Feather Shuttlecocks are meticulously engineered for distance stability under widely varying environmental conditions of play. Careful attention to the selection of materials and manufacturing ensures outstanding durability under the tremendous shock shuttlecocks receive at impact with today's high - power, high - speed rackets. Their outstanding durability means that a Yonex feather shuttlecock needs less - frequent replacement than a conventional feather shuttlecock. Yonex feather shuttles are tested against other brands to make sure that they demonstrate consistent recovery, flight trajectory and speed performance. Testing at their research and development facility shows that 8% of Yonex feather shuttlecocks fired down court hit a 25cm target area, whilst the other brands tested needed a 75cm target area to demonstrate the equivalent performance. These shuttles will be Medium speed (speed 3) which work best for the majority of our customers...If you want different speeds, please phone to order.
