{"id":1805,"date":"2025-04-17T13:54:00","date_gmt":"2025-04-17T17:54:00","guid":{"rendered":"https:\/\/sheldonbrown.com\/blog\/?p=1805"},"modified":"2025-04-18T11:20:06","modified_gmt":"2025-04-18T15:20:06","slug":"idlers","status":"publish","type":"post","link":"https:\/\/sheldonbrown.com\/blog\/2025\/04\/17\/idlers\/","title":{"rendered":"Idlers"},"content":{"rendered":"<p>An idler is a freewheeling sprocket that can take a bicycle chain around a corner, or adjust chain slack. Derailer pulleys are the most common example. In a chain run which is driving or braking, something more robust is needed. <a href=\"https:\/\/sheldonbrown.com\/idlers.html\">We discuss idler type and location, and how to convert a bicycle freewheel into a robust idler<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1806\" src=\"https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2025\/04\/idler-IMG_2541-crop.jpeg\" alt=\"An idler made from a freewheel, in a tandem synchronizing chain\" width=\"700\" height=\"392\" srcset=\"https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2025\/04\/idler-IMG_2541-crop.jpeg 700w, https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2025\/04\/idler-IMG_2541-crop-300x168.jpeg 300w, https:\/\/sheldonbrown.com\/blog\/wp-content\/uploads\/2025\/04\/idler-IMG_2541-crop-600x336.jpeg 600w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An idler is a freewheeling sprocket that can take a bicycle chain around a corner, or adjust chain slack. Derailer pulleys are the most common example. In a chain run which is driving or braking, something more robust is needed. We discuss idler type and location, and how to convert a bicycle freewheel into a &hellip; <a href=\"https:\/\/sheldonbrown.com\/blog\/2025\/04\/17\/idlers\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Idlers&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","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":[3],"tags":[],"class_list":["post-1805","post","type-post","status-publish","format-standard","hentry","category-updates"],"_links":{"self":[{"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/posts\/1805","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=1805"}],"version-history":[{"count":1,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/posts\/1805\/revisions"}],"predecessor-version":[{"id":1807,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/posts\/1805\/revisions\/1807"}],"wp:attachment":[{"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/media?parent=1805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/categories?post=1805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sheldonbrown.com\/blog\/wp-json\/wp\/v2\/tags?post=1805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}