Flex One is a single-spec shaft designed to deliver maximum power and efficiency for any golfer with clubhead speeds up to 90 mph. It loads at different points depending on your swing speed — a no-brainer for smooth-tempo players.
Ultralight, Korean-made. The most accessible autoFlex ever — one spec that adapts to your swing.
| Model | Weight (g) | Swing Weight | Club Speed | Best For |
|---|---|---|---|---|
| Flex One | 39 | C5-C8 | 60-90 mph | Golfers with smooth tempo seeking effortless power |
Visit an authorized Dumina fitter to get custom-fitted for the Flex One.