Manufacturers / Callaway / Big Bertha B21 Driver / Adapter settings
Adapter settings, decodedCallaway Big Bertha B21 Driver adapter settings chart
The Big Bertha B21 Driver uses the Callaway OptiFit 2 adapter (Callaway connector system), OptiFit 2 (Rogue to Quantum, 2017 to present).
Values apply to right-handed heads. Left-handed mappings differ for some systems; consult the manufacturer's left-handed chart.
Interactive adjustment guide
Enter your head's stated loft, then pick a position to decode it, or pick a loft change to see which positions get you there.
| Position | Loft | Lie | Face angle | Notes |
|---|---|---|---|---|
| -1/N | -1° | std | - | Reduces loft 1 degree from stated loft at neutral (standard) lie. |
| S/NFactory | std | std | square | Factory ship setting: stated loft and square face at standard (neutral) lie. |
| +1/N | +1° | std | - | Adds 1 degree to stated loft at neutral (standard) lie. |
| +2/N | +2° | std | - | Adds 2 degrees to stated loft at neutral (standard) lie. |
Confirmed via Golf Storage Guide's Big Bertha B21 Driver Adjustment Guide (golfstorageguide.com/callaway-big-bertha-b21-driver-adjustment/): 'Yes, the Callaway Big Bertha B21 driver is adjustable. The hosel is adjustable and supports eight different settings,' with the same guide grouping B21, Big Bertha REVA and B21 LD Spec as sharing OptiFit hosels (already this catalog's citation on the Big Bertha REVA row). Cross-checked against Plugged In Golf's B21 driver review (pluggedingolf.com/callaway-big-bertha-b21-driver-review/): 'The B21 driver does have an adjustable hosel for fine tuning.' Sources name the hosel 'OptiFit' without a version number; classified to callaway-optifit-2 as this catalog's registered system for full-size adjustable Callaway drivers of this era.
Compatible shafts: what fits this head
Settings from Callaway OptiFit Driver Adjustability Guide.
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