{"kind":"shaft","data":{"name":"ヨネックス Extra Spec専用","url":"https://golfscale.jp/shaft/yonex/extra-spec%E5%B0%82%E7%94%A8","slug":"SSYN002","brand":"ヨネックス","series":"Extra Spec専用","shaft_type":"純正シャフト","material":"カーボン","model_count":1,"models":[{"shaft_id":"SJYN2020005","name":"Extra Spec専用","release_year":"2020-04","specs":[{"flex":"R","weight_g":38.0,"torque":6.0,"kick_point":"先中","length_inch":45.75}]}],"sources":[{"url":"https://www.yonex.co.jp/golf/","checked_on":"2026-05-11"}]},"_meta":{"site":"ゴルフスケール","generated_at":"2026-11-01T05:29:20+00:00","license":{"text":"事実（数値・名称・住所など）は出典 URL つきで引用自由。記事本文・画像は要連絡。","url":"https://golfscale.jp/legal/credits"},"attribution":"出典: ゴルフスケール（golfscale.jp）","source_url":"https://golfscale.jp/shaft/yonex/extra-spec%E5%B0%82%E7%94%A8"}}