{"id":41400,"date":"2015-07-21T11:00:06","date_gmt":"2015-07-21T10:00:06","guid":{"rendered":"http:\/\/www.influx.co.uk\/?p=41400"},"modified":"2022-06-22T16:44:29","modified_gmt":"2022-06-22T15:44:29","slug":"speedway-evolution","status":"publish","type":"post","link":"https:\/\/www.adrianflux.co.uk\/influx\/blog\/speedway-evolution\/","title":{"rendered":"Speedway Evolution"},"content":{"rendered":"<p><strong>A simple frame. Direct drive. Wide bars. Tiny tank.<\/strong><\/p>\n<p>The fundamentals of a speedway bike have changed as little as the art of the oval itself.<\/p>\n<p>Here are nine bikes from nine decades.<\/p>\n<p><strong>Can you spot the changes?<\/strong><\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 50%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-41400 gallery-columns-2 gallery-size-post-gallery-thumb'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/20a_sunbeam-speedway.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/20a_sunbeam-speedway-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41401\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/20a_sunbeam-speedway-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/20a_sunbeam-speedway-278x185.jpg 278w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41401'>\n\t\t\t\t1920s: Sunbeam\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/30s_JAP.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/30s_JAP-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41402\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/30s_JAP-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/30s_JAP-300x200.jpg 300w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/30s_JAP-278x185.jpg 278w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/30s_JAP.jpg 400w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41402'>\n\t\t\t\t1930s: JAP\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/40s-JAP_500_Speedway_1949.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/40s-JAP_500_Speedway_1949-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41403\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/40s-JAP_500_Speedway_1949-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/40s-JAP_500_Speedway_1949-278x185.jpg 278w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41403'>\n\t\t\t\t1940s :JAP\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/Rotrax_JAP-1950s.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/Rotrax_JAP-1950s-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41409\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/Rotrax_JAP-1950s-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/Rotrax_JAP-1950s-278x185.jpg 278w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41409'>\n\t\t\t\t1950s: Rotrax\/JAP\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1960s-ESO.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1960s-ESO-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41404\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1960s-ESO-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1960s-ESO-278x185.jpg 278w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41404'>\n\t\t\t\t1960s; ESO\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1970_Jawa_Speedway_Racer1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1970_Jawa_Speedway_Racer1-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41405\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1970_Jawa_Speedway_Racer1-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1970_Jawa_Speedway_Racer1-278x185.jpg 278w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41405'>\n\t\t\t\t1970s: Jawa\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1980s.MK4-Godden.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1980s.MK4-Godden-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41406\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1980s.MK4-Godden-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/1980s.MK4-Godden-278x185.jpg 278w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41406'>\n\t\t\t\t1980s: Godden\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/GM1990slaydown.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/GM1990slaydown-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41408\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/GM1990slaydown-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/GM1990slaydown-278x185.jpg 278w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41408'>\n\t\t\t\t1990s: GM\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/BH-jawa-2006.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"251\" height=\"167\" src=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/BH-jawa-2006-251x167.jpg\" class=\"attachment-post-gallery-thumb size-post-gallery-thumb\" alt=\"\" aria-describedby=\"gallery-1-41407\" srcset=\"https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/BH-jawa-2006-251x167.jpg 251w, https:\/\/cdn-influx-wp.adrianflux.co.uk\/uploads\/2015\/07\/BH-jawa-2006-278x185.jpg 278w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-41407'>\n\t\t\t\t2000: Jawa\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>the speedway fundamentals have barely altered in nine decades&#8230;<\/p>\n","protected":false},"author":3,"featured_media":41405,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[110],"tags":[155,183,844],"class_list":["post-41400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-evolution","tag-motorsport","tag-speedway","manufacturers-gm","manufacturers-jawa","manufacturers-sunbeam"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Speedway Evolution - Influx<\/title>\n<meta name=\"description\" content=\"The speedway fundamentals have barely altered in six or seven decades...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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