{"kind":"shaft","data":{"name":"ヤマハ Diamana YR f","url":"https://golfscale.jp/shaft/yamaha/diamana-yr-f","slug":"SSYM013","brand":"ヤマハ","series":"Diamana YR f","shaft_type":"純正シャフト","material":"カーボン","model_count":1,"models":[{"shaft_id":"SJYM2021003","name":"Diamana YR f","release_year":"2021-10-29","specs":[{"flex":"R","weight_g":53.5,"torque":5.1,"kick_point":"中","length_inch":[43.0,42.5,42.0]},{"flex":"SR","weight_g":55.0,"torque":5.1,"kick_point":"中","length_inch":[43.0,42.5,42.0]},{"flex":"S","weight_g":57.0,"torque":5.1,"kick_point":"中","length_inch":[43.0,42.5,42.0]}]}],"sources":[{"url":"https://golf.yamaha.com/products/rmx_vd_fw.html","checked_on":"2026-05-11"}]},"_meta":{"site":"ゴルフスケール","generated_at":"2026-10-31T18:57:56+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/yamaha/diamana-yr-f"}}