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Loft options, stock shafts and specs for two drivers golfers cross-shop. Callaway Quantum Max D and Callaway Quantum Max Fast each have a full page.
| Spec | Callaway Quantum Max D | Callaway Quantum Max Fast |
|---|---|---|
| Category | Game Improvement | Max Game Improvement |
| Model year | 2026 | 2026 |
| Loft options | 9° to 12° | 9° to 10.5° |
| Head size | 460cc | 460cc |
| Adjustable hosel | Yes | Yes |
| Stock shafts | Fujikura Ventus Blue 5, Aldila Ascent 45 | Aldila Ascent 45 |
| MSRP | $649 | $649 |
| Technology | High Launch | High Launch |
| Loft | Callaway Quantum Max D | Callaway Quantum Max Fast |
|---|---|---|
| 9° | Fujikura Ventus Blue 5 (regular) | Aldila Ascent 45 (senior) |
| 10.5° | Fujikura Ventus Blue 5 (regular) | Aldila Ascent 45 (senior) |
| 12° | Aldila Ascent 45 (senior) | - |
Stock shafts shown are the representative options on file for each loft; retailers and fitters carry more.
The Callaway Quantum Max Fast and the Callaway Quantum Max D share a 460cc head, an adjustable hosel, the same $649 MSRP and a High Launch profile, so the split comes down to category and options. The Quantum Max Fast is a max game improvement driver sold in 9° and 10.5° with a single stock shaft, the Aldila Ascent 45 in senior flex. That points it at slower swingers who want the most help getting the ball airborne. The Quantum Max D is a game improvement driver with a third loft at 12° and two stock shafts, the Fujikura Ventus Blue 5 in regular and the Aldila Ascent 45 in senior. It fits a wider range of swing speeds and launch needs.
Pick the Quantum Max D unless you already know a senior flex is right for you. At the same price it offers more lofts and a regular flex option, which makes it easier to fit without moving to an aftermarket shaft. Choose the Quantum Max Fast if maximum forgiveness matters more than fitting flexibility and the senior Aldila Ascent 45 matches your swing. Price does not separate them, so let loft range and shaft flex decide.