{"kind":"shaft","data":{"name":"ジオテック PROTOTYPE RF-h ユーティリティ用","url":"https://golfscale.jp/shaft/geotech/prototype-rf-h","slug":"SSGH034","brand":"ジオテック","series":"PROTOTYPE RF-h ユーティリティ用","shaft_type":"純正シャフト","material":"カーボン","model_count":1,"models":[{"shaft_id":"SJGH2017003","name":"PROTOTYPE RF-h ユーティリティ用","release_year":"2017-04-03","specs":[{"flex":"L","weight_g":59,"torque":5.4,"kick_point":"中","length_inch":41,"frequency_cpm":270},{"flex":"A","weight_g":59,"torque":5.4,"kick_point":"中","length_inch":41,"frequency_cpm":290},{"flex":"R","weight_g":59,"torque":5.4,"kick_point":"先","length_inch":41,"frequency_cpm":320},{"flex":"SR","weight_g":57,"torque":5.4,"kick_point":"先","length_inch":41,"frequency_cpm":330},{"flex":"S","weight_g":57,"torque":5.4,"kick_point":"先","length_inch":41,"frequency_cpm":340}]}],"sources":[{"url":"https://www.geotechgolf.com/products/detail/18540","checked_on":"2017-04-03"}]},"_meta":{"site":"ゴルフスケール","generated_at":"2026-11-07T18:50:57+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/geotech/prototype-rf-h"}}