The Callaway Great Big Bertha Epic Sub Zero Driver combines loft options of 9° and 10.5°, adjustable hosel • ±1° loft, a standard length of 45.5 in, and a listed swing weight of D3.
Driver • 2017 • RH/LH • Adjustable hosel • ±1° loft
Key specifications
Visual model specs
Built only from this model’s supplied specifications.
How the Callaway Great Big Bertha Epic Sub Zero Driver compares
This compares the baseline specification with other Callaway drivers in this database. Driver loft comparisons use the lowest stated loft.
Very close to the Callaway drivers database average. Around the 49th percentile for this field.
About 3% flatter than the Callaway drivers database average. Around the 12th percentile for this field.
Very close to the Callaway drivers database average. Around the 59th percentile for this field.
Club information
| Manufacturer | Callaway |
|---|---|
| Model | Great Big Bertha Epic Sub Zero |
| Club type | Driver |
| Release year | 2017 |
Head, loft and weighting
| Available lofts | 9° and 10.5° |
|---|---|
| Loft adjustability | Adjustable hosel: ±1° loft, with draw/fade settings |
| Lie angle | 56°; adjustable hosel changes effective lie |
| Head weight | 197 g |
| Swing weight | D3 |
Shaft, grip and setup
| Standard length | 45.5 in |
|---|---|
| Stock shaft options | Project X HZRDUS Yellow 65 (stock) |
| Stock grip | Golf Pride Tour Velvet 360 |
| Hand availability | RH/LH |
Construction and forgiveness
| Face / material / construction | Titanium face with Callaway proprietary R·MOTO Face Technology; carbon-composite crown and sole; Jailbreak internal bars |
|---|---|
| MOI / forgiveness information | Lower-spin, compact Sub Zero head with Jailbreak and carbon-composite construction; more workable and generally less forgiving than the standard 2017 GBB Epic |
Data note: Golf club specifications can vary by loft, shaft, flex, hand, set composition and market. Where the source row lists multiple configurations, the complete supplied value is retained in the tables. Representative benchmark charts normalize multi-club sets to a consistent comparison point.