Specs for Dunlop BioFibre M2.1
| Strung weight | 11.7oz / 331.69g |
| Balance | 6 pts Head Light |
| Head size | 95 sq. in. / 612.9 sq. cm. |
| Stiffness | High - 71% (69 RA) |
| Recommended tension | 52-62 pounds |
| Swing weight | 320 kg · cm2 |
| String pattern | 16 Mains / 19 Crosses Mains skip: 8T, 8H One Piece No Shared Holes |
| Length | 27in / 68.58cm |
| Beam width | 21.5mm / 21.5mm / 21.5mm / |
| Composition | Graphite/Biofibre |
| Power level | Low |
| Stroke style | Full |
| Swing speed | Fast |
| Colors | Blue/White |
| Grip type | Dunlop Synthetic |
