The weight is 4U, and the number of pounds of stay wires is ≤3 1 pound, etc. The parameters of the black gold Falcon badminton racket include: the weight of the racket is 4U (80-84.9g), the number of stay wires is 4U≤3 1 lbs, the racket shaft adopts high-toughness carbon fiber +pyro fil+6.5 axis, and the racket frame adopts high-toughness carbon fiber ++ pyro fil+hardcold technology.