{"product_id":"products-royal-enfield-111161a-lock-washer-gearbox-front-sprocket-bullet-350-500","title":"Royal Enfield 111161\/A Lock Washer (Tab Washer) for Gearbox\/Front Sprocket Nut – Bullet 350\/500 (Iron Barrel\/AVL) Final Drive","description":"\u003cp data-end=\"833\" data-start=\"455\"\u003e\u003cstrong\u003eSold As A Set of 2 Piece \u003c\/strong\u003e\u003cbr\u003eIf your \u003cstrong data-end=\"498\" data-start=\"463\"\u003eold-school Royal Enfield Bullet\u003c\/strong\u003e uses a \u003cstrong data-end=\"565\" data-start=\"506\"\u003etab\/lock washer behind the gearbox (front) sprocket nut\u003c\/strong\u003e, this is the correct OEM-style \u003cstrong data-end=\"632\" data-start=\"597\"\u003eLock Washer – Part No. 111161\/A\u003c\/strong\u003e. Its job is simple but critical: once the sprocket nut is torqued, the washer tab is bent to lock the nut and prevent it from loosening under vibration—especially common on long rides and rough roads.\u003c\/p\u003e\n\u003cp data-end=\"1072\" data-start=\"835\"\u003eThis part is commonly listed in classic Bullet “chain \u0026amp; sprocket” catalogs as \u003cstrong data-end=\"935\" data-start=\"913\"\u003eLock Washer 111161\u003c\/strong\u003e, used with the \u003cstrong data-end=\"985\" data-start=\"951\"\u003efinal drive \/ gearbox sprocket\u003c\/strong\u003e setup (including older 18T sprocket references). \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1319\" data-start=\"1074\"\u003e⚠️ Important: \u003cstrong data-end=\"1139\" data-start=\"1088\"\u003eThis is NOT a UCE\/J-Series\/650 part by default.\u003c\/strong\u003e Many customers mistakenly order it for Classic 350 Reborn \/ Meteor \/ Hunter \/ Interceptor—please match your existing washer shape or confirm via your mechanic\/EPC before ordering.\u003c\/p\u003e\n\u003ch2 data-end=\"1343\" data-start=\"1321\"\u003eKey Features \u003c\/h2\u003e\n\u003cul data-end=\"1803\" data-start=\"1344\"\u003e\n\u003cli data-end=\"1405\" data-start=\"1344\"\u003e\n\u003cp data-end=\"1405\" data-start=\"1346\"\u003eGenuine-spec \u003cstrong data-end=\"1378\" data-start=\"1359\"\u003etab\/lock washer\u003c\/strong\u003e for sprocket nut locking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1477\" data-start=\"1406\"\u003e\n\u003cp data-end=\"1477\" data-start=\"1408\"\u003ePrevents \u003cstrong data-end=\"1459\" data-start=\"1417\"\u003efront (gearbox) sprocket nut loosening\u003c\/strong\u003e under vibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1540\" data-start=\"1478\"\u003e\n\u003cp data-end=\"1540\" data-start=\"1480\"\u003eCorrect thickness \u0026amp; bendable tab design for secure locking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1617\" data-start=\"1541\"\u003e\n\u003cp data-end=\"1617\" data-start=\"1543\"\u003eIdeal for rebuilds: sprocket change, chain kit replacement, gearbox work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1725\" data-start=\"1618\"\u003e\n\u003cp data-end=\"1725\" data-start=\"1620\"\u003eOEM reference: \u003cstrong data-end=\"1647\" data-start=\"1635\"\u003e111161\/A\u003c\/strong\u003e (also seen as \u003cstrong data-end=\"1672\" data-start=\"1662\"\u003e111161\u003c\/strong\u003e in catalogs) \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1803\" data-start=\"1726\"\u003e\n\u003cp data-end=\"1803\" data-start=\"1728\"\u003eLow-cost part that avoids high-cost failures (sprocket play, spline damage)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1839\" data-start=\"1805\"\u003eCompatibility \u003c\/h2\u003e\n\u003ch3 data-end=\"1880\" data-start=\"1840\"\u003e✅ Confirmed Use-Case (catalog-based)\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"2121\" data-start=\"1881\"\u003e\n\u003cthead data-end=\"1918\" data-start=\"1881\"\u003e\n\u003ctr data-end=\"1918\" data-start=\"1881\"\u003e\n\u003cth class=\"\" data-col-size=\"md\" data-end=\"1899\" data-start=\"1881\"\u003eBike \/ Platform\u003c\/th\u003e\n\u003cth class=\"\" data-col-size=\"sm\" data-end=\"1909\" data-start=\"1899\"\u003eFitment\u003c\/th\u003e\n\u003cth class=\"\" data-col-size=\"md\" data-end=\"1918\" data-start=\"1909\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"2121\" data-start=\"1933\"\u003e\n\u003ctr data-end=\"2121\" data-start=\"1933\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"1998\" data-start=\"1933\"\u003eRoyal Enfield \u003cstrong data-end=\"1997\" data-start=\"1949\"\u003eBullet 350\/500 (older Iron Barrel \/ AVL era)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2006\" data-start=\"1998\"\u003e✅ Yes\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2121\" data-start=\"2006\"\u003eListed as \u003cstrong data-end=\"2040\" data-start=\"2018\"\u003eLock Washer 111161\u003c\/strong\u003e in classic Bullet sprocket\/gear catalogs \u003cspan data-state=\"closed\" class=\"\"\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\u003ch3 data-end=\"2173\" data-start=\"2123\"\u003e❌ Explicit Exclusions\u003c\/h3\u003e\n\u003cp data-end=\"2268\" data-start=\"2174\"\u003eNot confirmed for these platforms from the available sources, so \u003cstrong data-end=\"2267\" data-start=\"2239\"\u003edon’t list as compatible\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-end=\"2474\" data-start=\"2269\"\u003e\n\u003cli data-end=\"2304\" data-start=\"2269\"\u003e\n\u003cp data-end=\"2304\" data-start=\"2271\"\u003e\u003cstrong data-end=\"2304\" data-start=\"2271\"\u003eClassic 350 Reborn (J-Series)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2334\" data-start=\"2305\"\u003e\n\u003cp data-end=\"2334\" data-start=\"2307\"\u003e\u003cstrong data-end=\"2334\" data-start=\"2307\"\u003eMeteor 350 \/ Hunter 350\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2370\" data-start=\"2335\"\u003e\n\u003cp data-end=\"2370\" data-start=\"2337\"\u003e\u003cstrong data-end=\"2370\" data-start=\"2337\"\u003eClassic 350 \/ Classic 500 UCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2399\" data-start=\"2371\"\u003e\n\u003cp data-end=\"2399\" data-start=\"2373\"\u003e\u003cstrong data-end=\"2399\" data-start=\"2373\"\u003eContinental GT 535 UCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2438\" data-start=\"2400\"\u003e\n\u003cp data-end=\"2438\" data-start=\"2402\"\u003e\u003cstrong data-end=\"2438\" data-start=\"2402\"\u003e650 Twins (Interceptor \/ GT 650)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2474\" data-start=\"2439\"\u003e\n\u003cp data-end=\"2474\" data-start=\"2441\"\u003e\u003cstrong data-end=\"2474\" data-start=\"2441\"\u003eHimalayan \/ Scram \/ Guerrilla\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2579\" data-start=\"2476\"\u003eIf customer claims fitment: ask for \u003cstrong data-end=\"2560\" data-start=\"2512\"\u003ephoto of existing washer + sprocket nut area\u003c\/strong\u003e before confirming.\u003c\/p\u003e\n\u003ch2 data-end=\"2592\" data-start=\"2581\"\u003eVariants\u003c\/h2\u003e\n\u003cul data-end=\"2616\" data-start=\"2593\"\u003e\n\u003cli data-end=\"2616\" data-start=\"2593\"\u003e\n\u003cp data-end=\"2616\" data-start=\"2595\"\u003e\u003cstrong data-end=\"2616\" data-start=\"2595\"\u003eSingle piece (1N)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"2638\" data-start=\"2618\"\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul data-end=\"2684\" data-start=\"2639\"\u003e\n\u003cli data-end=\"2684\" data-start=\"2639\"\u003e\n\u003cp data-end=\"2684\" data-start=\"2641\"\u003e1 × \u003cstrong data-end=\"2684\" data-start=\"2645\"\u003eLock Washer \/ Tab Washer – 111161\/A\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"2707\" data-start=\"2686\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul data-end=\"2918\" data-start=\"2708\"\u003e\n\u003cli data-end=\"2781\" data-start=\"2708\"\u003e\n\u003cp data-end=\"2781\" data-start=\"2710\"\u003eInstall behind the gearbox\/front sprocket nut as per the model’s setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2852\" data-start=\"2782\"\u003e\n\u003cp data-end=\"2852\" data-start=\"2784\"\u003eTorque nut to spec, then \u003cstrong data-end=\"2825\" data-start=\"2809\"\u003ebend the tab\u003c\/strong\u003e into the nut flat to lock.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2918\" data-start=\"2853\"\u003e\n\u003cp data-end=\"2918\" data-start=\"2855\"\u003eReplace if the tab has already been bent\/unbent multiple times.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"2942\" data-start=\"2920\"\u003eFAQs \u003c\/h2\u003e\n\u003cp data-end=\"3083\" data-start=\"2943\"\u003e\u003cstrong data-end=\"2977\" data-start=\"2943\"\u003eQ1. What is 111161\/A used for?\u003c\/strong\u003e\u003cbr data-end=\"2980\" data-start=\"2977\"\u003eA: It’s a \u003cstrong data-end=\"3009\" data-start=\"2990\"\u003elock\/tab washer\u003c\/strong\u003e used to secure the \u003cstrong data-end=\"3061\" data-start=\"3029\"\u003egearbox (front) sprocket nut\u003c\/strong\u003e so it doesn’t loosen.\u003c\/p\u003e\n\u003cp data-end=\"3303\" data-start=\"3085\"\u003e\u003cstrong data-end=\"3142\" data-start=\"3085\"\u003eQ2. Is this for Classic 350 Reborn \/ Meteor \/ Hunter?\u003c\/strong\u003e\u003cbr data-end=\"3145\" data-start=\"3142\"\u003eA: \u003cstrong data-end=\"3168\" data-start=\"3148\"\u003eNo—don’t assume.\u003c\/strong\u003e This part is referenced in \u003cstrong data-end=\"3230\" data-start=\"3196\"\u003eolder Bullet sprocket catalogs\u003c\/strong\u003e. Match your existing washer first. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"3440\" data-start=\"3305\"\u003e\u003cstrong data-end=\"3346\" data-start=\"3305\"\u003eQ3. Why should I replace this washer?\u003c\/strong\u003e\u003cbr data-end=\"3349\" data-start=\"3346\"\u003eA: Once bent, the locking tab weakens. Reusing can lead to nut loosening and sprocket play.\u003c\/p\u003e\n\u003cp data-end=\"3662\" data-start=\"3442\"\u003e\u003cstrong data-end=\"3497\" data-start=\"3442\"\u003eQ4. Part number shows 111161 without \/A—same thing?\u003c\/strong\u003e\u003cbr data-end=\"3500\" data-start=\"3497\"\u003eA: Many catalogs list it as \u003cstrong data-end=\"3538\" data-start=\"3528\"\u003e111161\u003c\/strong\u003e. Your stock may be stamped\/packed as \u003cstrong data-end=\"3588\" data-start=\"3576\"\u003e111161\/A\u003c\/strong\u003e depending on sourcing\/supersession.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":51013219877159,"sku":null,"price":21.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/E4F29393-33D4-4E0E-B278-8F568DE5246B.jpg?v=1775204880","url":"https:\/\/underthehood.co.in\/products\/products-royal-enfield-111161a-lock-washer-gearbox-front-sprocket-bullet-350-500","provider":"UNDER THE HOOD","version":"1.0","type":"link"}