{"id":5751,"date":"2026-02-26T07:58:52","date_gmt":"2026-02-26T07:58:52","guid":{"rendered":"https:\/\/stelbel.it\/?p=5751"},"modified":"2026-07-07T09:43:47","modified_gmt":"2026-07-07T09:43:47","slug":"our-t47-bottom-bracket-shell","status":"publish","type":"post","link":"https:\/\/stelbel.it\/en\/our-t47-bottom-bracket-shell\/","title":{"rendered":"Our T47 bottom bracket shell"},"content":{"rendered":"<p>In our recent history, driven by the desire to continually improve the performance of steel frames, we felt the need to go beyond the limits of the historic threaded BSA and Italian standards.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In our recent history, driven by the desire to continually improve the performance of steel frames, we felt the need to go beyond the limits of the historic threaded BSA and Italian standards.<\/p>\n","protected":false},"author":3,"featured_media":6140,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[843,897,902,909,908,900,903,901,665,765,907,905,840,425,904,764,895,898,773,896,906,899],"class_list":["post-5751","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-categorizzato","tag-bicycle-components","tag-bottom-bracket-shell","tag-bsa-bottom-bracket","tag-campagnolo-ultra-torque","tag-chris-king","tag-cnc-machining","tag-custom-frames","tag-frame-engineering","tag-italian-framebuilding","tag-movimento-centrale-t47","tag-press-fit","tag-stainless-steel","tag-steel-frames","tag-stelbel","tag-stelbel-engineering","tag-t47","tag-t47-bottom-bracket","tag-t47-shell","tag-telaistica-italiana","tag-threaded-bottom-bracket","tag-titanium","tag-titanium-frames"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Our T47 bottom bracket shell - Stelbel<\/title>\n<meta name=\"description\" content=\"The history and technical evolution of the T47 standard at Stelbel. 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