{"id":23039,"date":"2026-02-10T22:16:08","date_gmt":"2026-02-10T22:16:08","guid":{"rendered":"https:\/\/mybikething.com\/home\/?post_type=product&#038;p=23039"},"modified":"2026-02-14T03:43:37","modified_gmt":"2026-02-14T03:43:37","slug":"shimano-ultegra-st-6600-6603-sti-shifters-3x10-speed-triple-silver-exc","status":"publish","type":"product","link":"https:\/\/mybikething.com\/home\/product\/shimano-ultegra-st-6600-6603-sti-shifters-3x10-speed-triple-silver-exc\/","title":{"rendered":"Shimano Ultegra ST-6600\/6603 STI Shifters | 3&#215;10 Speed Triple | Silver | Exc"},"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=\"whitespace-normal break-words pl-2\">Shimano Ultegra ST-6603 (L) \/ ST-6600 (R) STI<\/li>\n<li class=\"whitespace-normal break-words pl-2\">3&#215;10 speed, triple front \/ 10-speed rear<\/li>\n<li class=\"whitespace-normal break-words pl-2\">Integrated brake\/shift levers for drop bars<\/li>\n<li class=\"whitespace-normal break-words pl-2\">26.0mm band clamp (clamps included)<\/li>\n<li class=\"whitespace-normal break-words pl-2\">Flight Deck compatible<\/li>\n<li class=\"whitespace-normal break-words pl-2\">Left and right shifter set with hoods<\/li>\n<\/ul>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Condition:<\/strong> Excellent. Lever blades are bright and clean. Hoods are in great shape with no tears or hardening. Shifting clicks through all positions cleanly in both directions. Brake pivot action is smooth. These were well cared for.<\/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> The 6600-series Ultegra triple has become a go-to for touring and randonneuring builds \u2014 reliable 10-speed shifting with a triple front for loaded climbing. These are increasingly hard to find as a matched set in this condition. If you&#8217;re building a touring rig, this is the one.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>Workshop Wisdom:<\/strong> Ultegra is the perfect shifter for that power steering feel (vs manual with Dura-Ace)<\/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> Shimano, Ultegra, ST-6600, ST-6603, STI, shifters, 3&#215;10, triple, 10 speed, brake levers, road bike, touring, silver, drop bar, Flight Deck<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Checklist:<\/strong><\/p>\n<ul>\n<li>Shifter type:<strong>\u00a0 STS \/ Flight Deck \/ Downtube \/\u00a0 Friction \/ Ratchet<\/strong><\/li>\n<li># speeds front: <strong># Triple \/ Double<\/strong><\/li>\n<li># speeds rear: <strong># 5\/6\/7&#8230;<\/strong><\/li>\n<\/ul>\n","protected":false},"featured_media":23040,"template":"","meta":{"nf_dc_page":""},"product_brand":[],"product_cat":[175,228],"product_tag":[217,817,5721,414,4085,225,279,229,70,813,1028,3947,5720,1741,281,215,216],"product_folder":[930],"class_list":["post-23039","product","type-product","status-publish","has-post-thumbnail","product_cat-c-road-bicycle-components","product_cat-road-bike-shifters","product_tag-10-speed","product_tag-10-speed-shifters","product_tag-3x10","product_tag-brake-levers","product_tag-drop-bar","product_tag-flight-deck","product_tag-road-bike","product_tag-shifters","product_tag-shimano","product_tag-shimano-shifters","product_tag-silver","product_tag-st-6600","product_tag-st-6603","product_tag-sti","product_tag-touring","product_tag-triple","product_tag-ultegra","product_shipping_class-bike-components-1lb","first","outofstock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product\/23039","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\/23040"}],"wp:attachment":[{"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/media?parent=23039"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product_brand?post=23039"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product_cat?post=23039"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product_tag?post=23039"},{"taxonomy":"product_folder","embeddable":true,"href":"https:\/\/mybikething.com\/home\/wp-json\/wp\/v2\/product_folder?post=23039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}