{"id":1248,"date":"2017-12-25T11:30:39","date_gmt":"2017-12-25T16:30:39","guid":{"rendered":"http:\/\/sheldonbrown.com\/blog\/?p=1248"},"modified":"2018-03-10T18:33:13","modified_gmt":"2018-03-10T23:33:13","slug":"1248","status":"publish","type":"post","link":"https:\/\/sheldonbrown.com\/blog\/2017\/12\/25\/1248\/","title":{"rendered":"MIT aluminum bicycle project, 1974"},"content":{"rendered":"<figure id=\"attachment_1249\" aria-describedby=\"caption-attachment-1249\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-1249\" src=\"http:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/MarcBike1000-600x460.jpg\" alt=\"Marc Rosenbaum's 12 1\/2-pound aluminum track bike, 1974\" width=\"600\" height=\"460\" srcset=\"https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/MarcBike1000-600x460.jpg 600w, https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/MarcBike1000-300x230.jpg 300w, https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/MarcBike1000-768x589.jpg 768w, https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/MarcBike1000.jpg 1000w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><figcaption id=\"caption-attachment-1249\" class=\"wp-caption-text\">Marc Rosenbaum&#8217;s 12 1\/2-pound aluminum track bike, 1974<\/figcaption><\/figure>\n<figure id=\"attachment_1253\" aria-describedby=\"caption-attachment-1253\" style=\"width: 200px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1253\" src=\"http:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/fellonfell300-200x300.jpg\" alt=\"Harriet Fell rides her aluminum bicycle, 2005\" width=\"200\" height=\"300\" srcset=\"https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/fellonfell300-200x300.jpg 200w, https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/fellonfell300.jpg 300w\" sizes=\"auto, (max-width: 200px) 85vw, 200px\" \/><figcaption id=\"caption-attachment-1253\" class=\"wp-caption-text\">Harriet Fell rides her aluminum bicycle, 2005<\/figcaption><\/figure>\n<p>New post: <a href=\"http:\/\/sheldonbrown.com\/AluminumBikeProject.html\">the MIT aluminum bicycle project, 1974<\/a>, where modern aluminum bicycle frames got their start as student Marc Rosenbaum&#8217;s thesis project. sheldonbrown.com site owner Harriet Fell built one of the original MIT aluminum bicycle frames, it came to be an exhibit in a Klein vs. Cannondale lawsuit &#8212; and she still rides it!<\/p>\n<figure id=\"attachment_1255\" aria-describedby=\"caption-attachment-1255\" style=\"width: 250px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1255\" src=\"http:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2017\/12\/HFbottomBracketCrank250.jpg\" alt=\"Bottom bracket of Harriet's bicycle\" width=\"250\" height=\"188\" \/><figcaption id=\"caption-attachment-1255\" class=\"wp-caption-text\">Bottom bracket of Harriet&#8217;s bicycle<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>New post: the MIT aluminum bicycle project, 1974, where modern aluminum bicycle frames got their start as student Marc Rosenbaum&#8217;s thesis project. sheldonbrown.com site owner Harriet Fell built one of the original MIT aluminum bicycle frames, it came to be an exhibit in a Klein vs. Cannondale lawsuit &#8212; and she still rides it!<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[4,3],"tags":[403,5,169,424,928,919,918,317,920,59,40,41,43,42,666,21],"class_list":["post-1248","post","type-post","status-publish","format-standard","hentry","category-new-pages","category-updates","tag-aluminum","tag-bicycle","tag-bottom-bracket","tag-frame","tag-harriet-fell","tag-marc-rosenbaum","tag-massachusetts-institute-of-technology","tag-mit","tag-shawn-buckley","tag-shelbroco","tag-sheldon","tag-sheldon-brown","tag-sheldonbrown","tag-sheldonbrown-com","tag-track-bicycle","tag-video"],"_links":{"self":[{"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/posts\/1248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/comments?post=1248"}],"version-history":[{"count":6,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/posts\/1248\/revisions"}],"predecessor-version":[{"id":1282,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/posts\/1248\/revisions\/1282"}],"wp:attachment":[{"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/media?parent=1248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/categories?post=1248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/tags?post=1248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}