High performance describes it. The GTB has a HFR core with a thicker urethane cover that slides through the heads easier and hooks when it hits dry lane. Features of the hard hitting GTB include a concentrated weight lock for truer balance.
| Color | Black |
|---|---|
| Coverstock | Rubber |
| Core | 3-piece |
| RG | |
| Differential | |
| Intermediate Diff | n/a |
| Factory finish | Matte |
| Weights | 15 and 16lbs |
