Specs for Dunlop BioFibre S8.1 Lite
| Strung weight | 9.5oz / 269.32g |
| Balance | 6 pts Head Heavy |
| Head size | 115 sq. in. / 741.93 sq. cm. |
| Stiffness | Average - 57% (66 RA) |
| Recommended tension | 52-62 pounds |
| Swing weight | 329 kg · cm2 |
| String pattern | 16 Mains / 19 Crosses Mains skip: 7T,9T,7H,9H Two Pieces No Shared Holes |
| Length | 27.5in / 69.85cm |
| Beam width | 28mm / 30mm / 25mm / |
| Composition | Graphite/Biofibre |
| Power level | High |
| Stroke style | Compact |
| Swing speed | Slow-Medium |
| Colors | White/Black/Gold |
| Grip type | Viper Dry |