{"id":24172,"date":"2026-06-07T22:59:25","date_gmt":"2026-06-07T22:59:25","guid":{"rendered":"https:\/\/mybikething.com\/home\/?post_type=product&#038;p=24172"},"modified":"2026-06-07T23:19:11","modified_gmt":"2026-06-07T23:19:11","slug":"carbon-fiber-aero-seatpost-27-2-x-285mm-25mm-setback-tt-tri-road","status":"publish","type":"product","link":"https:\/\/mybikething.com\/home\/product\/carbon-fiber-aero-seatpost-27-2-x-285mm-25mm-setback-tt-tri-road\/","title":{"rendered":"Carbon Fiber Aero Seatpost | 27.2 x 285mm | 25mm Setback | TT-Tri- Road"},"content":{"rendered":"<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Will this work?<\/strong><\/p>\n<ul class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\">\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">27.2mm diameter \u2014 fits standard high-end road and steel frame seat tubes<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">285mm total length, 140mm adjustable range, 25mm setback<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Single-bolt saddle clamp \u2014easy\u00a0 adjustable fore\/aft and tilt<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Standard 7x7mm rail clamp<\/li>\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">208g \u2014 ultralight aero profile<\/li>\n<\/ul>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Condition:<\/strong> VG above the insertion line \u2014 carbon weave sheen intact, clamp hardware functional. Below insertion: surface scuffs from clamping. A deeper scratch in the upper laminate layer is visible on the shaft \u2014 does not penetrate through to structural layers<\/p>\n<hr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\" \/>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Notes from MyBikeThing:<\/strong> At 208g this is a genuinely light aero post \u2014 The aero profile reduces drag over a round post on longer road rides.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Workshop Wisdom:<\/strong> Never use grease on carbon seatposts in carbon frames \u2014 use carbon assembly paste instead. In alloy frames, a light smear of grease is fine. Torque the clamp bolt to spec (typically 5\u20138Nm) \u2014 overtightening carbon posts is the most common cause of laminate damage. Always use a torque wrench.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Guarantee:<\/strong> You put in the miles, we put in the work! 30-day Guarantee, rest assured of fit, function and condition. \ud83d\ude42<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Keywords:<\/strong> carbon seatpost, 27.2mm, aero seatpost, 285mm, 25mm setback, single bolt, ultralight, road bike seatpost, carbon fiber, 116g<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Will this work? 27.2mm diameter \u2014 fits standard high-end road and steel frame seat tubes 285mm total length, 140mm adjustable range, 25mm setback Single-bolt saddle clamp \u2014easy\u00a0 adjustable fore\/aft and tilt Standard 7x7mm rail clamp 208g \u2014 ultralight aero profile Condition: VG above the insertion line \u2014 carbon weave sheen intact, clamp hardware functional. Below [&hellip;]<\/p>\n","protected":false},"featured_media":24174,"template":"","meta":{"nf_dc_page":""},"product_brand":[],"product_cat":[175,180],"product_tag":[6502,1875,173,871,6500,6499,147,3899,6007,181,792,1644,6501],"product_folder":[930],"class_list":["post-24172","product","type-product","status-publish","has-post-thumbnail","product_cat-c-road-bicycle-components","product_cat-road-bike-seat-posts","product_tag-116g","product_tag-25mm-setback","product_tag-27-2mm","product_tag-272mm-post","product_tag-285mm","product_tag-aero-seatpost","product_tag-carbon-fiber","product_tag-carbon-seatpost","product_tag-road-bike-seatpost","product_tag-seat-post","product_tag-seatpost","product_tag-single-bolt","product_tag-ultralight","product_shipping_class-bike-components-1-lb","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product\/24172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/media\/24174"}],"wp:attachment":[{"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/media?parent=24172"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product_brand?post=24172"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product_cat?post=24172"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product_tag?post=24172"},{"taxonomy":"product_folder","embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product_folder?post=24172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}