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Introducing the autoFlex Joy 365 Driver Shaft, made with the latest Japanese carbon prepreg material and 2nd generation KHT. It is the ultimate game-changer for slower swinging players. With its softer feel and added kick, this shaft is designed to help you gain the most efficient height while being gentle on the hands. It is perfect for juniors, ladies, or seniors seeking a smoother swing.
Flex | Weight (g) | Recommended Swing Weight | Driver Club Speed |
SF305 | 37 | C6-C8 | 65-75 |
SF305x | 42 | C8-C9.5 | 75-85 |
SF405 | 45 | C9.5-D0.5 | 85-95 |
SF405x | 49 | D0-D1 | 95-100 |
SF505 | 55 | D0.5-D1.5 | 100-105 |
SF505x | 59 | D1-D2 | 105-110 |
Tip – 0.335″
Raw Length – 45″
- Shaft Color: Pink | Blue | Black Pink | Black Blue | Yellow
- Model # Flex Swing MPH: 305 (60-75 mph) | 305x (70-85 mph) | 405 (80-95 mph) | 405x (90-105 mph) | 505 (100-110 mph) | 505x (105-115 mph)
AutoFlex Shafts
The Autoflex shaft was not intended to be only used as a long drive shaft. Rather, Dumina Co. intended the shaft to help make the game of golf easier by helping slow and average swing speed golfers swing faster without swinging harder. Having said that, the Autoflex shaft line up can cover from 65mph to 150+mph swing speeds.
Performance
Up to 20-30g lighter than conventional driver shafts to increase speed and decrease body strain.
The shaft automatically optimizes the transfer of energy despite different swing speeds.
Increases head speed while providing stable swing posture for better distance and accuracy.