{"product_id":"rear-brake-cam-kit-drum-brake-kat00002-a","title":"Royal Enfield Genuine Rear Brake Cam Kit (Rear Drum Brake Operating Cam) for Classic\/Bullet\/Electra\/Thunderbird UCE – KAT00002\/A (Drum Brake Only)","description":"\u003cp data-start=\"258\" data-end=\"827\"\u003eKAT00002\/A is the genuine Rear Brake Cam Kit used inside the rear \u003cstrong data-start=\"366\" data-end=\"380\"\u003edrum brake\u003c\/strong\u003e hub—this is the operating cam\/camshaft that turns when you press the rear brake pedal, pushing the brake shoes outward. When the cam wears, rusts, or develops flat spots, riders typically feel a “sticky” pedal, uneven braking, brake drag, or weak bite even after changing brake shoes. Replacing the cam kit restores smooth brake actuation and consistent stopping feel—especially important on heavier UCE-era bikes that still run rear drum setups.\u003c\/p\u003e\n\u003cp data-start=\"829\" data-end=\"1121\"\u003eThis is commonly searched as \u003cstrong data-start=\"858\" data-end=\"876\"\u003erear brake cam\u003c\/strong\u003e, \u003cstrong data-start=\"878\" data-end=\"906\"\u003erear drum brake camshaft\u003c\/strong\u003e, \u003cstrong data-start=\"908\" data-end=\"924\"\u003erear cam kit\u003c\/strong\u003e, \u003cstrong data-start=\"926\" data-end=\"949\"\u003ebrake operating cam\u003c\/strong\u003e, and “rear brake cam kit for Classic\/Bullet”. OEM fit and finish matters here because the cam’s profile and tolerances directly affect braking smoothness and shoe contact.\u003c\/p\u003e\n\u003cp data-start=\"1123\" data-end=\"1291\"\u003eBefore you buy: \u003cstrong data-start=\"1139\" data-end=\"1180\"\u003eThis is for rear DRUM brake hubs only\u003c\/strong\u003e—confirm your rear wheel is drum type and match your old cam’s shape\/spline with the product photo\/part number.\u003c\/p\u003e\n\u003cp data-start=\"1293\" data-end=\"1419\"\u003eSuggested internal links (collections): Royal Enfield UCE Brake Spares, Classic 350\/500 UCE Spares, Bullet\/Electra UCE Spares.\u003c\/p\u003e\n\u003cp data-start=\"1424\" data-end=\"1457\"\u003e\u003cstrong data-start=\"1424\" data-end=\"1455\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1458\" data-end=\"2144\"\u003e\n\u003cli data-start=\"1458\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1460\" data-end=\"1541\"\u003eGenuine KAT00002\/A rear drum brake operating cam kit (rear brake camshaft set).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1542\" data-end=\"1635\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1635\"\u003eRestores smooth rear brake pedal feel; reduces sticking\/drag caused by worn cam surfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1636\" data-end=\"1721\"\u003e\n\u003cp data-start=\"1638\" data-end=\"1721\"\u003eCorrect cam profile helps consistent shoe expansion and predictable braking bite.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1722\" data-end=\"1814\"\u003e\n\u003cp data-start=\"1724\" data-end=\"1814\"\u003eBest practice replacement during rear drum overhaul (shoes + springs + cam lubrication).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1815\" data-end=\"1896\"\u003e\n\u003cp data-start=\"1817\" data-end=\"1896\"\u003eDesigned for rear drum brake hubs (not applicable to rear disc brake setups).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1897\" data-end=\"1971\"\u003e\n\u003cp data-start=\"1899\" data-end=\"1971\"\u003eHelps fix uneven braking, sudden grab, or delayed rear brake response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1972\" data-end=\"2058\"\u003e\n\u003cp data-start=\"1974\" data-end=\"2058\"\u003eOEM-grade machining\/tolerances for proper fit inside brake plate and hub assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2059\" data-end=\"2144\"\u003e\n\u003cp data-start=\"2061\" data-end=\"2144\"\u003eIdeal for workshop maintenance on UCE platform bikes still using rear drum systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2149\" data-end=\"2185\"\u003e\u003cstrong data-start=\"2149\" data-end=\"2183\"\u003eCompatibility Table \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2187\" data-end=\"3308\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2187\" data-end=\"2271\"\u003e\n\u003ctr data-start=\"2187\" data-end=\"2271\"\u003e\n\u003cth data-start=\"2187\" data-end=\"2195\" data-col-size=\"sm\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2195\" data-end=\"2213\" data-col-size=\"sm\"\u003ePlatform\/Engine\u003c\/th\u003e\n\u003cth data-start=\"2213\" data-end=\"2227\" data-col-size=\"sm\"\u003eBS\/Emission\u003c\/th\u003e\n\u003cth data-start=\"2227\" data-end=\"2235\" data-col-size=\"sm\"\u003eYears\u003c\/th\u003e\n\u003cth data-start=\"2235\" data-end=\"2250\" data-col-size=\"sm\"\u003eStatus (✅\/❓)\u003c\/th\u003e\n\u003cth data-start=\"2250\" data-end=\"2271\" data-col-size=\"lg\"\u003eNotes\/Constraints\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2300\" data-end=\"3308\"\u003e\n\u003ctr data-start=\"2300\" data-end=\"2553\"\u003e\n\u003ctd data-start=\"2300\" data-end=\"2335\" data-col-size=\"sm\"\u003eClassic 350 (rear drum variants)\u003c\/td\u003e\n\u003ctd data-start=\"2335\" data-end=\"2345\" data-col-size=\"sm\"\u003eUCE 350\u003c\/td\u003e\n\u003ctd data-start=\"2345\" data-end=\"2364\" data-col-size=\"sm\"\u003eBS3\/BS4 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"2364\" data-end=\"2373\" data-col-size=\"sm\"\u003eVaries\u003c\/td\u003e\n\u003ctd data-start=\"2373\" data-end=\"2377\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"2377\" data-end=\"2553\" data-col-size=\"lg\"\u003eOne dealer listing states compatibility; second source confirms part number but not model mapping. Verify by drum hub + old cam match. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2554\" data-end=\"2728\"\u003e\n\u003ctd data-start=\"2554\" data-end=\"2589\" data-col-size=\"sm\"\u003eClassic 500 (rear drum variants)\u003c\/td\u003e\n\u003ctd data-start=\"2589\" data-end=\"2599\" data-col-size=\"sm\"\u003eUCE 500\u003c\/td\u003e\n\u003ctd data-start=\"2599\" data-end=\"2618\" data-col-size=\"sm\"\u003eBS3\/BS4 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"2618\" data-end=\"2627\" data-col-size=\"sm\"\u003eVaries\u003c\/td\u003e\n\u003ctd data-start=\"2627\" data-end=\"2631\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"2631\" data-end=\"2728\" data-col-size=\"lg\"\u003eSame as above—rear drum only; verify by photo\/old part. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2729\" data-end=\"2941\"\u003e\n\u003ctd data-start=\"2729\" data-end=\"2767\" data-col-size=\"sm\"\u003eBullet Standard 350\/500 (rear drum)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2767\" data-end=\"2781\"\u003eUCE 350\/500\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2781\" data-end=\"2800\"\u003eBS3\/BS4 (varies)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2800\" data-end=\"2809\"\u003eVaries\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2809\" data-end=\"2813\"\u003e❓\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\" data-start=\"2813\" data-end=\"2941\"\u003eDealer listing mentions Bullet Standard; confirm by drum brake plate design + old cam. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2942\" data-end=\"3107\"\u003e\n\u003ctd data-start=\"2942\" data-end=\"2968\" data-col-size=\"sm\"\u003eElectra 350 (rear drum)\u003c\/td\u003e\n\u003ctd data-start=\"2968\" data-end=\"2978\" data-col-size=\"sm\"\u003eUCE 350\u003c\/td\u003e\n\u003ctd data-start=\"2978\" data-end=\"2997\" data-col-size=\"sm\"\u003eBS3\/BS4 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"2997\" data-end=\"3006\" data-col-size=\"sm\"\u003eVaries\u003c\/td\u003e\n\u003ctd data-start=\"3006\" data-end=\"3010\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"3010\" data-end=\"3107\" data-col-size=\"lg\"\u003eDealer listing mentions Electra 350; verify physically. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3108\" data-end=\"3308\"\u003e\n\u003ctd data-start=\"3108\" data-end=\"3142\" data-col-size=\"sm\"\u003eThunderbird 350 (drum variants)\u003c\/td\u003e\n\u003ctd data-start=\"3142\" data-end=\"3152\" data-col-size=\"sm\"\u003eUCE 350\u003c\/td\u003e\n\u003ctd data-start=\"3152\" data-end=\"3171\" data-col-size=\"sm\"\u003eBS3\/BS4 (varies)\u003c\/td\u003e\n\u003ctd data-start=\"3171\" data-end=\"3180\" data-col-size=\"sm\"\u003eVaries\u003c\/td\u003e\n\u003ctd data-start=\"3180\" data-end=\"3184\" data-col-size=\"sm\"\u003e❓\u003c\/td\u003e\n\u003ctd data-start=\"3184\" data-end=\"3308\" data-col-size=\"lg\"\u003eDealer listing mentions drum variants; confirm rear wheel is drum (not rear disc). \u003cspan class=\"\" data-state=\"closed\"\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\u003cp data-start=\"3310\" data-end=\"3533\"\u003e\u003cstrong data-start=\"3310\" data-end=\"3354\"\u003eExplicit exclusions (return-prevention):\u003c\/strong\u003e Not for rear \u003cstrong data-start=\"3368\" data-end=\"3382\"\u003edisc brake\u003c\/strong\u003e bikes, not for J-Series (Classic Reborn\/Bullet 350 J), not for Hunter 350, not for 650 Twins, not for Himalayan\/Scram. (Rear drum brake hub required.)\u003c\/p\u003e\n\u003cp data-start=\"3538\" data-end=\"3565\"\u003e\u003cstrong data-start=\"3538\" data-end=\"3550\"\u003eVariants\u003c\/strong\u003e\u003cbr data-start=\"3550\" data-end=\"3553\"\u003eNo variants.\u003c\/p\u003e\n\u003cp data-start=\"3570\" data-end=\"3592\"\u003e\u003cstrong data-start=\"3570\" data-end=\"3590\"\u003eFAQs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3594\" data-end=\"3959\"\u003e\u003cstrong data-start=\"3594\" data-end=\"3653\"\u003eQ1 (Fitment): How do I confirm KAT00002\/A fits my bike?\u003c\/strong\u003e\u003cbr data-start=\"3653\" data-end=\"3656\"\u003eCheck 3 things: (1) your rear wheel is \u003cstrong data-start=\"3695\" data-end=\"3709\"\u003edrum brake\u003c\/strong\u003e (not disc), (2) your old part is a rear brake operating cam\/camshaft inside the drum brake plate, and (3) the cam’s spline\/shape matches the product photo. If you share a photo of your old cam + brake plate, fitment can be confirmed before shipping.\u003c\/p\u003e\n\u003cp data-start=\"3961\" data-end=\"4232\"\u003e\u003cstrong data-start=\"3961\" data-end=\"4017\"\u003eQ2 (Fitment): Is this for all UCE 350\/500\/535 bikes?\u003c\/strong\u003e\u003cbr data-start=\"4017\" data-end=\"4020\"\u003eNot automatically. Many UCE bikes came in different rear brake setups (drum vs disc depending on model\/variant\/year). This part is for \u003cstrong data-start=\"4155\" data-end=\"4184\"\u003erear drum brake hubs only\u003c\/strong\u003e. If your bike has a rear disc, it will not fit.\u003c\/p\u003e\n\u003cp data-start=\"4234\" data-end=\"4614\"\u003e\u003cstrong data-start=\"4234\" data-end=\"4311\"\u003eQ3 (Comparison): OEM vs aftermarket rear brake cam—what’s the difference?\u003c\/strong\u003e\u003cbr data-start=\"4311\" data-end=\"4314\"\u003eThe cam profile and machining tolerance directly affect how smoothly the shoes expand and how the pedal feels. Cheaper cams can create binding, uneven bite, or faster wear. OEM is recommended for consistent fit and brake feel. (Part number reference: KAT00002\/A) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4616\" data-end=\"4924\"\u003e\u003cstrong data-start=\"4616\" data-end=\"4667\"\u003eQ4 (Installation): Do I need any special tools?\u003c\/strong\u003e\u003cbr data-start=\"4667\" data-end=\"4670\"\u003eBasic hand tools are enough, but you should also clean the brake plate and apply correct high-temp grease lightly on the cam pivot\/contact areas. Inspect brake shoes and return springs—many workshops replace shoes\/springs together during a drum overhaul.\u003c\/p\u003e\n\u003cp data-start=\"4926\" data-end=\"5193\"\u003e\u003cstrong data-start=\"4926\" data-end=\"4973\"\u003eQ5 (Symptoms): What problems does this fix?\u003c\/strong\u003e\u003cbr data-start=\"4973\" data-end=\"4976\"\u003eSticky rear brake pedal, brake drag after riding, uneven braking, weak rear brake bite even with new shoes, and a rough\/notchy pedal feel caused by a worn or corroded cam surface. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"5195\" data-end=\"5509\"\u003e\u003cstrong data-start=\"5195\" data-end=\"5280\"\u003eQ6 (Returns-prevention): What should I send you to avoid ordering the wrong part?\u003c\/strong\u003e\u003cbr data-start=\"5280\" data-end=\"5283\"\u003eSend (1) a clear photo of your rear wheel (showing drum vs disc), (2) a photo of the brake plate after removing the wheel, and (3) a photo of your existing brake cam\/camshaft. If you have VIN\/registration year, share that too.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50995905331495,"sku":null,"price":202.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/KAT00002_A_genuine_rear_brake_cam_kit_for_Royal_Enfield_rear_drum_brake_hub_operating_cam.jpg?v=1769943781","url":"https:\/\/underthehood.co.in\/products\/rear-brake-cam-kit-drum-brake-kat00002-a","provider":"UNDER THE HOOD","version":"1.0","type":"link"}