{"product_id":"fox-40-upper-crown-x-large-820-00-031","title":"FOX 40 Upper Crown, X-Large – 820-00-031","description":"\u003cp\u003eFOX manufacturer part number \u003cstrong\u003e820-00-031\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eApplication and specification\u003c\/h3\u003e\u003cp\u003eX-Large upper crown for original-period FOX 40. The archived row says RC3, while Ascend identifies this part as Forty R \u0026amp; RC2. Match exact part number and crown height; size-dependent alternative to 820-00-029.\u003c\/p\u003e\u003ch3\u003eArchived identification\u003c\/h3\u003e\u003cp\u003e820-00-031 Upper Crown, Xl-Large, 40 R \u0026amp; RC3\u003c\/p\u003e\u003cp\u003eAscend supplier identification: Fork Sub-Group: Upper Crown, X-Large, Forty R \u0026amp; RC2. The RC3 wording in the archive is not used to establish a separate RC3 application.\u003c\/p\u003e\u003cp\u003eThese are chassis or structural components. Do not infer safe interchangeability from stanchion diameter alone. Exact year, spring system, travel, steerer and crown dimensions, axle and brake interfaces must match the original assembly. Installation and inspection require a qualified suspension workshop.\u003c\/p\u003e\u003cp\u003eThe named assembly is not a complete fork. Unlisted hardware, seals, steerer dimensions and included quantities are not assumed.\u003c\/p\u003e\u003cp\u003eReference listing, currently unavailable. No physical stock or lead time is claimed.\u003c\/p\u003e\u003cp\u003eSource: \u003ca href=\"https:\/\/vitebskbiker.info\/static\/docs\/fox\/Content\/PartsLists\/40mmpartslist.htm\"\u003eArchived FOX 40 mm parts list\u003c\/a\u003e.\u003c\/p\u003e","brand":"FOX Racing Shox","offers":[{"title":"Default Title","offer_id":59495598981384,"sku":"820-00-031","price":0.0,"currency_code":"EUR","in_stock":false}],"url":"https:\/\/retrobicycleparts.com\/de\/products\/fox-40-upper-crown-x-large-820-00-031","provider":"Retro Bike Parts","version":"1.0","type":"link"}