{"product_id":"royal-enfield-handlebar-assy-u4-thunderbird-x-350-abs-bs4-1120012-b","title":"Genuine Royal Enfield Handle Bar Assembly (U4) for Thunderbird X 350 ABS BS4 | 1120012\/B","description":"\u003cp data-start=\"241\" data-end=\"469\"\u003eReplace a bent, rusted, or vibration-prone handlebar with a \u003cstrong data-start=\"301\" data-end=\"366\"\u003eGenuine Royal Enfield Handle Bar Assembly, Part No. 1120012\/B\u003c\/strong\u003e—listed in parts price documents as \u003cstrong data-start=\"402\" data-end=\"428\"\u003e“HANDLE BAR ASSY – U4”\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"471\" data-end=\"850\"\u003eA correct-spec handlebar is not just about looks; it directly impacts \u003cstrong data-start=\"541\" data-end=\"610\"\u003esteering feel, rider posture, cable routing clearance, and safety\u003c\/strong\u003e under braking and cornering. OEM-spec bars maintain the correct diameter for switch housings, lever perches, mirrors, and grips—helping avoid play, clamp damage, or misalignment that’s common with many aftermarket “universal” handlebars.\u003c\/p\u003e\n\u003cp data-start=\"852\" data-end=\"1415\"\u003eImportant accuracy note (to reduce wrong orders\/returns): official microfiche dealer networks publicly show a closely related handlebar variant \u003cstrong data-start=\"996\" data-end=\"1033\"\u003e1120012\/D (HANDLE BAR ASSY – U4D)\u003c\/strong\u003e, but they do \u003cstrong data-start=\"1047\" data-end=\"1054\"\u003enot\u003c\/strong\u003e clearly publish fitment mapping for \u003cstrong data-start=\"1091\" data-end=\"1104\"\u003e1120012\/B\u003c\/strong\u003e in the same way. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e Another dealer listing maps \u003cstrong data-start=\"1188\" data-end=\"1209\"\u003ebase part 1120012\u003c\/strong\u003e to \u003cstrong data-start=\"1213\" data-end=\"1246\"\u003eThunderbird X 350 ABS (BS IV)\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr data-start=\"1285\" data-end=\"1288\"\u003eTherefore, buy \u003cstrong data-start=\"1303\" data-end=\"1316\"\u003e1120012\/B\u003c\/strong\u003e only if your old part\/box confirms the \u003cstrong data-start=\"1356\" data-end=\"1377\"\u003eexact suffix (\/B)\u003c\/strong\u003e or you have a VIN-based confirmation.\u003c\/p\u003e\n\u003ch2 data-start=\"1417\" data-end=\"1441\"\u003eKey Features \u003c\/h2\u003e\n\u003cul data-start=\"1442\" data-end=\"2140\"\u003e\n\u003cli data-start=\"1442\" data-end=\"1551\"\u003e\n\u003cp data-start=\"1444\" data-end=\"1551\"\u003e\u003cstrong data-start=\"1444\" data-end=\"1469\"\u003eGenuine Royal Enfield\u003c\/strong\u003e handlebar assembly (OEM-spec replacement) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1552\" data-end=\"1657\"\u003e\n\u003cp data-start=\"1554\" data-end=\"1657\"\u003ePart Number: \u003cstrong data-start=\"1567\" data-end=\"1580\"\u003e1120012\/B\u003c\/strong\u003e (listed as \u003cstrong data-start=\"1592\" data-end=\"1616\"\u003eHandle Bar Assy – U4\u003c\/strong\u003e)\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1658\" data-end=\"1716\"\u003e\n\u003cp data-start=\"1660\" data-end=\"1716\"\u003eRestores correct steering ergonomics and rider posture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1717\" data-end=\"1795\"\u003e\n\u003cp data-start=\"1719\" data-end=\"1795\"\u003eOEM diameter for proper fit of switch housings, grips, levers, and mirrors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1796\" data-end=\"1862\"\u003e\n\u003cp data-start=\"1798\" data-end=\"1862\"\u003eIdeal for accident repair, restoration, or replacing bent bars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1863\" data-end=\"1941\"\u003e\n\u003cp data-start=\"1865\" data-end=\"1941\"\u003eHelps reduce misalignment\/rattle seen with many universal aftermarket bars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1942\" data-end=\"2067\"\u003e\n\u003cp data-start=\"1944\" data-end=\"2067\"\u003eCompatible-family reference: microfiche lists \u003cstrong data-start=\"1990\" data-end=\"2009\"\u003e1120012\/D (U4D)\u003c\/strong\u003e handlebar variant \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2068\" data-end=\"2140\"\u003e\n\u003cp data-start=\"2070\" data-end=\"2140\"\u003eRecommendation: check cable routing + riser clamps during installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2142\" data-end=\"2214\"\u003eCompatibility Table \u003cspan style=\"color: rgb(255, 5, 5);\"\u003e(PLEASE CHECK PART NUMBER BEFORE PURCHASE)\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2216\" data-end=\"2677\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2216\" data-end=\"2281\"\u003e\n\u003ctr data-start=\"2216\" data-end=\"2281\"\u003e\n\u003cth data-start=\"2216\" data-end=\"2224\" data-col-size=\"sm\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2224\" data-end=\"2244\" data-col-size=\"sm\"\u003eEngine \/ Platform\u003c\/th\u003e\n\u003cth data-start=\"2244\" data-end=\"2255\" data-col-size=\"sm\"\u003eBS Stage\u003c\/th\u003e\n\u003cth data-start=\"2255\" data-end=\"2263\" data-col-size=\"sm\"\u003eYears\u003c\/th\u003e\n\u003cth data-start=\"2263\" data-end=\"2281\" data-col-size=\"md\"\u003eFitment Status\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2306\" data-end=\"2677\"\u003e\n\u003ctr data-start=\"2306\" data-end=\"2516\"\u003e\n\u003ctd data-start=\"2306\" data-end=\"2334\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2308\" data-end=\"2333\"\u003eThunderbird X 350 ABS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2334\" data-end=\"2359\" data-col-size=\"sm\"\u003eThunderbird X platform\u003c\/td\u003e\n\u003ctd data-start=\"2359\" data-end=\"2371\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2361\" data-end=\"2370\"\u003eBS IV\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2371\" data-end=\"2386\" data-col-size=\"sm\"\u003e(VIN verify)\u003c\/td\u003e\n\u003ctd data-start=\"2386\" data-end=\"2516\" data-col-size=\"md\"\u003e❓ \u003cstrong data-start=\"2390\" data-end=\"2476\"\u003eBase part “1120012” is listed for TB X 350 ABS BSIV, but \/B suffix must be matched\u003c\/strong\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2517\" data-end=\"2677\"\u003e\n\u003ctd data-start=\"2517\" data-end=\"2536\" data-col-size=\"sm\"\u003e(Reference only)\u003c\/td\u003e\n\u003ctd data-start=\"2536\" data-end=\"2540\" data-col-size=\"sm\"\u003e—\u003c\/td\u003e\n\u003ctd data-start=\"2540\" data-end=\"2544\" data-col-size=\"sm\"\u003e—\u003c\/td\u003e\n\u003ctd data-start=\"2544\" data-end=\"2548\" data-col-size=\"sm\"\u003e—\u003c\/td\u003e\n\u003ctd data-start=\"2548\" data-end=\"2677\" data-col-size=\"md\"\u003eMicrofiche shows related \u003cstrong data-start=\"2575\" data-end=\"2610\"\u003e1120012\/D = Handle Bar Assy U4D\u003c\/strong\u003e (not proof for \/B fitment) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul data-start=\"2738\" data-end=\"2978\"\u003e\n\u003cli data-start=\"2738\" data-end=\"2813\"\u003e\n\u003cp data-start=\"2740\" data-end=\"2813\"\u003eMatch \u003cstrong data-start=\"2746\" data-end=\"2778\"\u003eyour old part number exactly\u003c\/strong\u003e: 1120012\u003cbr\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3158\" data-end=\"3173\"\u003eFAQs \u003c\/h2\u003e\n\u003cp data-start=\"3174\" data-end=\"3392\"\u003e\u003cstrong data-start=\"3174\" data-end=\"3231\"\u003e1) Is 1120012\/B genuine Royal Enfield or aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3231\" data-end=\"3234\"\u003eThis listing is positioned as Genuine\/OEM-spec; the “1120012” handlebar is sold by dealers as Royal Enfield genuine. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3394\" data-end=\"3686\"\u003e\u003cstrong data-start=\"3394\" data-end=\"3472\"\u003e2) Will 1120012\/B fit all Thunderbird \/ Thunderbird 350 \/ Thunderbird 500?\u003c\/strong\u003e\u003cbr data-start=\"3472\" data-end=\"3475\"\u003eNot confirmed. Only a dealer mapping exists for \u003cstrong data-start=\"3523\" data-end=\"3576\"\u003ebase part 1120012 → Thunderbird X 350 ABS (BS IV)\u003c\/strong\u003e. Suffix \u003cstrong data-start=\"3585\" data-end=\"3591\"\u003e\/B\u003c\/strong\u003e must be matched by old part\/box or VIN confirmation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3688\" data-end=\"3967\"\u003e\u003cstrong data-start=\"3688\" data-end=\"3721\"\u003e3) What does “U4 \/ U4D” mean?\u003c\/strong\u003e\u003cbr data-start=\"3721\" data-end=\"3724\"\u003eIt’s the internal naming used in parts references for specific handlebar variants; microfiche lists \u003cstrong data-start=\"3824\" data-end=\"3861\"\u003e1120012\/D = Handle Bar Assy – U4D\u003c\/strong\u003e, and price documents list \u003cstrong data-start=\"3888\" data-end=\"3924\"\u003e1120012\/B = Handle Bar Assy – U4\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3969\" data-end=\"4181\"\u003e\u003cstrong data-start=\"3969\" data-end=\"4018\"\u003e4) Why not buy a universal handlebar instead?\u003c\/strong\u003e\u003cbr data-start=\"4018\" data-end=\"4021\"\u003eUniversal bars often cause switch housing mismatch, incorrect pullback, cable tightness, and clamp issues. OEM-spec bars preserve factory geometry and mounting.\u003c\/p\u003e\n\u003cp data-start=\"4183\" data-end=\"4337\"\u003e\u003cstrong data-start=\"4183\" data-end=\"4230\"\u003e5) What should I check before installation?\u003c\/strong\u003e\u003cbr data-start=\"4230\" data-end=\"4233\"\u003eInspect riser\/clamp condition, cable routing, throttle free-play, and alignment before final tightening.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50867537641767,"sku":null,"price":3160.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/royal-enfield-handlebar-assy-u4-thunderbird-x-350-abs-bs4-1120012-b.jpg?v=1767010440","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-handlebar-assy-u4-thunderbird-x-350-abs-bs4-1120012-b","provider":"UNDER THE HOOD","version":"1.0","type":"link"}