Our badminton shuttlecocks come in speeds: 75, 76, 77 and 78. Please refer to the guide below for selection: • 75 (special grade): Low speed, suitable for high-temperature areas (above 35℃) and high-altitude regions. • 76 & 77: Standard speed for most areas at 18–25℃. • 78: Higher speed for low-temperature (15–20℃) and low-altitude locations.
