| 摘要 |
A racket frame including a grip part, a shaft part, a throat part, and a head part formed hollowly with a fiber reinforced resin and having a weight not less than 100 g nor more than 270 g. The racket frame is provided with a dynamic damper comprising a mass member and a viscoelastic member mounted on a part of a peripheral surface of the mass member. The dynamic damper is mounted inside the grip part by fixing the viscoelastic member to a position of an inner wall of the grip part located within a range of 0.2 L from a free end of the grip part, supposing that a whole length of the racket frame is L in such a way that inside the grip part, at least one part of the mass member is shakable with respect to the inner wall of the grip part.
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