| 摘要 |
A plurality of two or more golf club shafts designed to optimize the performance of a specific shaft with respect to a specific golf swing is disclosed herein. More specifically, the present invention discloses a plurality of two or more golf club shafts wherein a dramatic difference in torque can be achieved by two golf club shafts within the same weight classification regardless of the flex of the shaft. A plurality of golf club shafts in accordance with the present invention may generally a difference in weight-to-torque ratio of greater than about 1.5 and a difference in butt-frequency-to-torque ratio of greater than about 8.0 between any two golf club shafts within the plurality of golf club shafts.
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