{"product_id":"nib-nos-shimano-dura-ace-rd-7400-rear-derailleur-6-7-8-speed-dura-ace-compatible","title":"NIB\/NOS Shimano Dura Ace RD-7400 Rear Derailleur: 6 \/ 7 \/ 8 Speed Dura Ace Compatible","description":"\u003cp\u003e\u003cspan\u003eThe 7400 speed series of Dura Ace derailleurs was Shimano's first venture into indexed shifting, in 1984.  They shift superbly, and look classy yet restrained.  This is the first SIS Dura Ace derailleur issued, before the 7 and 8 speed 7401 and 7402.  It is 16 grams lighter than the 7401, thanks to it's titanium coated pulley bushings (changed to ceramic in 86').  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAs for compatibility, All of the 7400 series variants of derailleurs and shifters are compatible.  This will shift with 6sp SL-7400, 7sp SL-7401, and 8sp SL-7402 Dura Ace shifters.  It will work with non Dura Ace 6\/7\/8 speed shifters using the B cable routing (consult Sheldon Brown) \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNew old stock in retail box. Never installed and very close to pristine. The SLIGHTEST bits of shop wear, primarily microscratching on the back of the inner cage plate and a tiny scratch top of mounting bolt housing. Worthy of even the cleanest show bike.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"is-root\"\u003e\u003cspan\u003eShort cage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"is-root\"\u003e\u003cspan\u003e6, 7, or 8-speed (will NOT work with indexed shifters other than 6, 7, or 8 speed Dura Ace with standard cable routing.  Works with other indexed shifters with \"b\" cable routing.  See Sheldon Brown's site.  Works with ANY friction shifter)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":53542393413772,"sku":"16753","price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5144\/9740\/files\/PXL_20260528_190737612__72224.1780110306.1280.1280.jpg?v=1792425709","url":"https:\/\/swooncycles.com\/products\/nib-nos-shimano-dura-ace-rd-7400-rear-derailleur-6-7-8-speed-dura-ace-compatible","provider":"Swoon Cycles (Bike ReCyclery)","version":"1.0","type":"link"}