{"kind":"shaft","data":{"name":"フォーティーン FS-90i","url":"https://golfscale.jp/shaft/fourteen/fs-90i","slug":"SSFT002","brand":"フォーティーン","series":"FS-90i","shaft_type":"純正シャフト","material":"スチール","model_count":1,"models":[{"shaft_id":"SJFT2020001","name":"FS-90i","release_year":"2020-04-17","specs":[{"flex":"R","weight_g":89.0,"torque":2.1,"length_inch":[38.75,38.25,37.75,37.25,36.75,36.25,35.75]},{"flex":"S","weight_g":93.0,"torque":2.0,"length_inch":[38.75,38.25,37.75,37.25,36.75,36.25]}]}],"sources":[{"url":"https://www.fourteen.co.jp/archive/if-700-forged/","checked_on":"2026-05-11"}]},"_meta":{"site":"ゴルフスケール","generated_at":"2026-10-31T18:57:54+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/fourteen/fs-90i"}}