| 摘要 |
PROBLEM TO BE SOLVED: To provide a lightweight golf club facilitating exchange of a shaft and capable of adjusting characteristics such as a lie angle, a slice angle, and progression, and to provide a method for adjusting characteristics thereof.SOLUTION: The golf club is formed by fitting a shaft 4 to a hosel column 3 of a head 1 via a shaft case 5 and a spline ring 8. The tip end of the shaft 4 is mounted on a shaft insertion hole 5h of the shaft case 5. An axial center of the shaft insertion hole 5h is inclined with respect to an axial center of a shaft case insertion hole 3h. An narrowed part 5k is provided at the outer peripheral surface of the shaft case 5. |
