| Brand | ProKennex |
|---|---|
| Head size | 54.8 sq.in. |
| Racket length | 675 mm |
| Frame profile | 9.5~11 mm |
| Weight | 3U: 85~89 g, 4U: 80~84 g |
| Balance | 290~295 mm |
| Shaft flex | Regular |
Viper 47 Speed
It’s an all-round racket that has the perfect balance between speed and attack. Aerodynamic hexagonal taper frame design using 30 tone Hot Melt Nano Micro Carbon to enable high tip-speed while maintaining stability of the frame. 6.8mm shaft using 40 tone graphene fiber to increase the repulsion.
Hot melt nano micro carbon
The most consistent graphite manufacturing process used in racket sports technology. The shaft is compressed under extreme high pressure to create the strongest shaft, delivering optimum flexibility. Perfect for all level of players.
Nano autocure technology
The only autoclave process in the world that is used in racket sports technology. The Nano Autocure process removes air and impurities from between the graphite layers to create a totally seamless racket for strength and flexibility.
