{"product_id":"royal-enfield-kab00216-a-rear-caliper-piston-kit-classic-350-reborn","title":"Royal Enfield KAB00216\/A – OEM Rear Caliper Piston Kit (Rear Brake) for Classic 350 Reborn, Meteor 350, Hunter 350 \u0026 New Bullet 350 (J-Series)","description":"\u003cp data-start=\"439\" data-end=\"925\"\u003eRestore factory-fresh rear braking performance on your J-Series 350 with the genuine \u003cstrong data-start=\"524\" data-end=\"576\"\u003eRoyal Enfield KAB00216\/A Rear Caliper Piston Kit\u003c\/strong\u003e. This OEM kit is used in the ByBre rear disc brake caliper fitted to the \u003cstrong data-start=\"650\" data-end=\"723\"\u003eAll New Classic 350 Reborn, Meteor 350, Hunter 350 and New Bullet 350\u003c\/strong\u003e. Royal Enfield’s official online parts books list \u003cstrong data-start=\"774\" data-end=\"786\"\u003eKAB00216\u003c\/strong\u003e as the rear caliper piston kit for Classic 350 Reborn, Meteor 350 and the 2023-on Bullet 350 rear caliper, confirming exact OE fitment.\u003c\/p\u003e\n\u003cp data-start=\"927\" data-end=\"1381\"\u003eUnlike generic “universal” repair kits, this set matches the original piston diameter, finish and seal profile designed for the J-Series 350 rear caliper, ensuring correct braking pressure, smooth piston movement and long seal life. Leading multi-brand spares portals also catalogue \u003cstrong data-start=\"1210\" data-end=\"1309\"\u003eKAB00216\/A as “Brake Piston Kit” for Meteor 350, Bullet 350, Hunter 350 and All New Classic 350\u003c\/strong\u003e, further validating cross-model compatibility within the J-platform.\u003c\/p\u003e\n\u003cp data-start=\"1383\" data-end=\"1716\"\u003eIdeal if your rear brake is dragging, feeling spongy, or showing uneven pad wear, this kit lets you rebuild instead of replacing the full caliper, saving cost while keeping everything \u003cstrong data-start=\"1567\" data-end=\"1597\"\u003e100% genuine Royal Enfield\u003c\/strong\u003e. Perfect for workshops and DIY owners who want reliable braking, reduced leaks and precise pedal feel on long rides.\u003c\/p\u003e\n\u003cp data-start=\"1718\" data-end=\"1861\"\u003e\u003cem data-start=\"1718\" data-end=\"1859\"\u003eNot suitable for older UCE Classic \/ Bullet \/ Electra \/ Thunderbird or 650 Twins \/ Himalayan calipers – J-Series 350 rear disc models only.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"1863\" data-end=\"1866\"\u003e\n\u003ch2 data-start=\"1868\" data-end=\"1906\"\u003eKey Features \u003c\/h2\u003e\n\u003cul data-start=\"1908\" data-end=\"2781\"\u003e\n\u003cli data-start=\"1908\" data-end=\"2024\"\u003e\n\u003cp data-start=\"1910\" data-end=\"2024\"\u003e\u003cstrong data-start=\"1910\" data-end=\"1944\"\u003eGenuine Royal Enfield OEM part\u003c\/strong\u003e – Rear caliper piston kit \u003cstrong data-start=\"1971\" data-end=\"1985\"\u003eKAB00216\/A\u003c\/strong\u003e, supplied to dealerships worldwide.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2025\" data-end=\"2147\"\u003e\n\u003cp data-start=\"2027\" data-end=\"2147\"\u003e\u003cstrong data-start=\"2027\" data-end=\"2067\"\u003eDesigned for ByBre rear disc caliper\u003c\/strong\u003e used on J-Series 350 bikes (Classic Reborn, Meteor, Hunter, New Bullet 350).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2148\" data-end=\"2268\"\u003e\n\u003cp data-start=\"2150\" data-end=\"2268\"\u003eIncludes correctly sized piston and sealing components for a precise, leak-free rebuild (OEM spec, not local copy).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2269\" data-end=\"2349\"\u003e\n\u003cp data-start=\"2271\" data-end=\"2349\"\u003eRestores smooth piston travel, reducing rear brake drag and uneven pad wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2350\" data-end=\"2437\"\u003e\n\u003cp data-start=\"2352\" data-end=\"2437\"\u003eMaintains original braking feel and performance as tuned by Royal Enfield \u0026amp; ByBre.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2438\" data-end=\"2515\"\u003e\n\u003cp data-start=\"2440\" data-end=\"2515\"\u003eCost-effective alternative to replacing a complete rear caliper assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2516\" data-end=\"2664\"\u003e\n\u003cp data-start=\"2518\" data-end=\"2664\"\u003eManufactured to Royal Enfield quality standards and listed under HS code \u003cstrong data-start=\"2591\" data-end=\"2636\"\u003e87141090 (motorcycle parts \u0026amp; accessories)\u003c\/strong\u003e in official price lists.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2665\" data-end=\"2781\"\u003e\n\u003cp data-start=\"2667\" data-end=\"2781\"\u003eBacked by Underthehood’s strict fitment verification and packaging standards to minimise returns and mis-orders.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2783\" data-end=\"2786\"\u003e\n\u003ch2 data-start=\"2788\" data-end=\"2812\"\u003eCompatibility Table\u003c\/h2\u003e\n\u003cp data-start=\"2814\" data-end=\"2886\"\u003e\u003cstrong data-start=\"2814\" data-end=\"2827\"\u003ePlatform:\u003c\/strong\u003e Royal Enfield J-Series 350 (Rear Disc Brake Models Only)\u003c\/p\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=\"2888\" data-end=\"3773\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2888\" data-end=\"3017\"\u003e\n\u003ctr data-start=\"2888\" data-end=\"3017\"\u003e\n\u003cth data-start=\"2888\" data-end=\"2918\" data-col-size=\"md\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"2918\" data-end=\"2938\" data-col-size=\"sm\"\u003eEngine \/ Platform\u003c\/th\u003e\n\u003cth data-start=\"2938\" data-end=\"2966\" data-col-size=\"sm\"\u003eEmission \/ Region\u003c\/th\u003e\n\u003cth data-start=\"2966\" data-end=\"2985\" data-col-size=\"sm\"\u003eYears (Approx.)\u003c\/th\u003e\n\u003cth data-start=\"2985\" data-end=\"3017\" data-col-size=\"md\"\u003eRear Brake Type\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3147\" data-end=\"3773\"\u003e\n\u003ctr data-start=\"3147\" data-end=\"3302\"\u003e\n\u003ctd data-start=\"3147\" data-end=\"3190\" data-col-size=\"md\"\u003eClassic 350 Reborn (All New Classic 350)\u003c\/td\u003e\n\u003ctd data-start=\"3190\" data-end=\"3211\" data-col-size=\"sm\"\u003e349cc J-Series EFI\u003c\/td\u003e\n\u003ctd data-start=\"3211\" data-end=\"3231\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5 \u0026amp; 5+\u003c\/td\u003e\n\u003ctd data-start=\"3231\" data-end=\"3250\" data-col-size=\"sm\"\u003e2021–onwards\u003c\/td\u003e\n\u003ctd data-start=\"3250\" data-end=\"3298\" data-col-size=\"md\"\u003e270 mm rear disc, ByBre single-piston caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3303\" data-end=\"3461\"\u003e\n\u003ctd data-start=\"3303\" data-end=\"3349\" data-col-size=\"md\"\u003eMeteor 350 (Fireball \/ Stellar \/ Supernova)\u003c\/td\u003e\n\u003ctd data-start=\"3349\" data-end=\"3370\" data-col-size=\"sm\"\u003e349cc J-Series EFI\u003c\/td\u003e\n\u003ctd data-start=\"3370\" data-end=\"3390\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5\u003c\/td\u003e\n\u003ctd data-start=\"3390\" data-end=\"3409\" data-col-size=\"sm\"\u003e2021–onwards\u003c\/td\u003e\n\u003ctd data-start=\"3409\" data-end=\"3457\" data-col-size=\"md\"\u003e270 mm rear disc, ByBre single-piston caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3462\" data-end=\"3617\"\u003e\n\u003ctd data-start=\"3462\" data-end=\"3505\" data-col-size=\"md\"\u003eHunter 350 (Dapper \/ Rebel \/ Factory)\u003c\/td\u003e\n\u003ctd data-start=\"3505\" data-end=\"3526\" data-col-size=\"sm\"\u003e349cc J-Series EFI\u003c\/td\u003e\n\u003ctd data-start=\"3526\" data-end=\"3546\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5\u003c\/td\u003e\n\u003ctd data-start=\"3546\" data-end=\"3565\" data-col-size=\"sm\"\u003e2022–onwards\u003c\/td\u003e\n\u003ctd data-start=\"3565\" data-end=\"3613\" data-col-size=\"md\"\u003e270 mm rear disc, ByBre single-piston caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3618\" data-end=\"3773\"\u003e\n\u003ctd data-start=\"3618\" data-end=\"3661\" data-col-size=\"md\"\u003eNew Bullet 350 (J-Series)\u003c\/td\u003e\n\u003ctd data-start=\"3661\" data-end=\"3682\" data-col-size=\"sm\"\u003e349cc J-Series EFI\u003c\/td\u003e\n\u003ctd data-start=\"3682\" data-end=\"3702\" data-col-size=\"sm\"\u003eBS6 \/ Euro 5\u003c\/td\u003e\n\u003ctd data-start=\"3702\" data-end=\"3721\" data-col-size=\"sm\"\u003e2023–onwards\u003c\/td\u003e\n\u003ctd data-start=\"3721\" data-end=\"3769\" data-col-size=\"md\"\u003e270 mm rear disc, ByBre single-piston caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-start=\"3775\" data-end=\"4018\"\u003e\n\u003cp data-start=\"3777\" data-end=\"3803\"\u003e\u003cspan style=\"color: rgb(253, 10, 10);\"\u003e\u003cstrong data-start=\"3777\" data-end=\"3801\"\u003ePLEASE CHECK PART NUMBER BEFORE PURCHASE \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3777\" data-end=\"3803\"\u003e\u003cstrong data-start=\"3777\" data-end=\"3801\"\u003eExplicit exclusions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3806\" data-end=\"4018\"\u003e\n\u003cli data-start=\"3806\" data-end=\"3911\"\u003e\n\u003cp data-start=\"3808\" data-end=\"3911\"\u003eNot for older UCE Classic 350\/500, Bullet 350\/500, Electra, Thunderbird (different calipers \u0026amp; kits).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3914\" data-end=\"4018\"\u003e\n\u003cp data-start=\"3916\" data-end=\"4018\"\u003eNot for Himalayan 411\/450 or 650 Twins (they use different rear caliper kits such as \u003cstrong data-start=\"4001\" data-end=\"4013\"\u003e594696\/A\u003c\/strong\u003e).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"4020\" data-end=\"4023\"\u003e\n\u003ch2 data-start=\"4025\" data-end=\"4038\"\u003eVariants\u003c\/h2\u003e\n\u003cul data-start=\"4040\" data-end=\"4238\"\u003e\n\u003cli data-start=\"4040\" data-end=\"4238\"\u003e\n\u003cp data-start=\"4042\" data-end=\"4063\"\u003e\u003cstrong data-start=\"4042\" data-end=\"4061\"\u003eSingle Variant:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"4066\" data-end=\"4238\"\u003e\n\u003cli data-start=\"4066\" data-end=\"4116\"\u003e\n\u003cp data-start=\"4068\" data-end=\"4116\"\u003e\u003cstrong data-start=\"4068\" data-end=\"4077\"\u003eType:\u003c\/strong\u003e Rear Caliper Piston Kit (Rear Brake)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4119\" data-end=\"4150\"\u003e\n\u003cp data-start=\"4121\" data-end=\"4150\"\u003e\u003cstrong data-start=\"4121\" data-end=\"4137\"\u003ePart Number:\u003c\/strong\u003e KAB00216\/A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4153\" data-end=\"4186\"\u003e\n\u003cp data-start=\"4155\" data-end=\"4186\"\u003e\u003cstrong data-start=\"4155\" data-end=\"4168\"\u003ePosition:\u003c\/strong\u003e Rear wheel only\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4189\" data-end=\"4238\"\u003e\n\u003cp data-start=\"4191\" data-end=\"4238\"\u003e\u003cstrong data-start=\"4191\" data-end=\"4213\"\u003eQuantity Required:\u003c\/strong\u003e 1 kit per rear caliper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4240\" data-end=\"4301\"\u003e(No LH\/RH, colour or size variants – one standard OEM kit.)\u003c\/p\u003e\n\u003chr data-start=\"4303\" data-end=\"4306\"\u003e\n\u003ch2 data-start=\"4308\" data-end=\"4330\"\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul data-start=\"4332\" data-end=\"4561\"\u003e\n\u003cli data-start=\"4332\" data-end=\"4403\"\u003e\n\u003cp data-start=\"4334\" data-end=\"4403\"\u003e1 × Genuine Royal Enfield \u003cstrong data-start=\"4360\" data-end=\"4383\"\u003erear caliper piston\u003c\/strong\u003e (KAB00216\/A spec)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4404\" data-end=\"4497\"\u003e\n\u003cp data-start=\"4406\" data-end=\"4497\"\u003e1 × Matching OEM seal \/ sealing components for the piston (as supplied by RE in this kit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4498\" data-end=\"4561\"\u003e\n\u003cp data-start=\"4500\" data-end=\"4561\"\u003e1 × Manufacturer packaging with part label for authenticity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4563\" data-end=\"4686\"\u003e\u003cem data-start=\"4563\" data-end=\"4684\"\u003e(Exact internal contents may vary slightly batch-to-batch as per Royal Enfield packing, but always to KAB00216\/A spec.)\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"4688\" data-end=\"4691\"\u003e\n\u003ch2 data-start=\"4693\" data-end=\"4726\"\u003eInstallation \u0026amp; Fitment Notes\u003c\/h2\u003e\n\u003cul data-start=\"4728\" data-end=\"5248\"\u003e\n\u003cli data-start=\"4728\" data-end=\"4847\"\u003e\n\u003cp data-start=\"4730\" data-end=\"4847\"\u003eRecommended to be installed by a \u003cstrong data-start=\"4763\" data-end=\"4785\"\u003equalified mechanic\u003c\/strong\u003e or experienced DIYer familiar with hydraulic brake systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4848\" data-end=\"4954\"\u003e\n\u003cp data-start=\"4850\" data-end=\"4954\"\u003eClean caliper thoroughly, inspect bore for scoring or corrosion, and replace pads if excessively worn.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4955\" data-end=\"5041\"\u003e\n\u003cp data-start=\"4957\" data-end=\"5041\"\u003eAlways use \u003cstrong data-start=\"4968\" data-end=\"4989\"\u003efresh brake fluid\u003c\/strong\u003e and properly bleed the system after installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5042\" data-end=\"5146\"\u003e\n\u003cp data-start=\"5044\" data-end=\"5146\"\u003eAvoid mixing aftermarket seals\/pistons with this OEM kit – use this set as a complete matched group.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5147\" data-end=\"5248\"\u003e\n\u003cp data-start=\"5149\" data-end=\"5248\"\u003eAfter fitment, check for leaks, free wheel rotation and correct brake pedal feel before road use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"5705\" data-end=\"5708\"\u003e\n\u003ch2 data-start=\"5710\" data-end=\"5725\"\u003eFAQs \u003c\/h2\u003e\n\u003cp data-start=\"5727\" data-end=\"5999\"\u003e\u003cstrong data-start=\"5727\" data-end=\"5808\"\u003eQ1. Will this KAB00216\/A piston kit fit my old UCE Classic 350 \/ Classic 500?\u003c\/strong\u003e\u003cbr data-start=\"5808\" data-end=\"5811\"\u003e\u003cstrong data-start=\"5811\" data-end=\"5817\"\u003eA:\u003c\/strong\u003e No. This kit is only for \u003cstrong data-start=\"5843\" data-end=\"5859\"\u003eJ-Series 350\u003c\/strong\u003e rear disc brake calipers (Classic 350 Reborn, Meteor 350, Hunter 350, New Bullet 350). UCE models use different calipers and repair kits.\u003c\/p\u003e\n\u003cp data-start=\"6001\" data-end=\"6244\"\u003e\u003cstrong data-start=\"6001\" data-end=\"6056\"\u003eQ2. Is this piston kit for the front or rear brake?\u003c\/strong\u003e\u003cbr data-start=\"6056\" data-end=\"6059\"\u003e\u003cstrong data-start=\"6059\" data-end=\"6065\"\u003eA:\u003c\/strong\u003e It is specifically for the \u003cstrong data-start=\"6093\" data-end=\"6109\"\u003erear caliper\u003c\/strong\u003e. The front caliper on J-Series 350 models uses a different kit, typically \u003cstrong data-start=\"6184\" data-end=\"6198\"\u003eKAB00215\/A\u003c\/strong\u003e, so make sure you choose the correct axle.\u003c\/p\u003e\n\u003cp data-start=\"6246\" data-end=\"6436\"\u003e\u003cstrong data-start=\"6246\" data-end=\"6293\"\u003eQ3. Do I need one kit per side or per bike?\u003c\/strong\u003e\u003cbr data-start=\"6293\" data-end=\"6296\"\u003e\u003cstrong data-start=\"6296\" data-end=\"6302\"\u003eA:\u003c\/strong\u003e You need \u003cstrong data-start=\"6312\" data-end=\"6351\"\u003eone KAB00216\/A kit per rear caliper\u003c\/strong\u003e. Each rear caliper has a single piston, so one kit services one bike’s rear brake.\u003c\/p\u003e\n\u003cp data-start=\"6438\" data-end=\"6778\"\u003e\u003cstrong data-start=\"6438\" data-end=\"6518\"\u003eQ4. Can I use this kit on Interceptor 650 \/ Continental GT 650 or Himalayan?\u003c\/strong\u003e\u003cbr data-start=\"6518\" data-end=\"6521\"\u003e\u003cstrong data-start=\"6521\" data-end=\"6527\"\u003eA:\u003c\/strong\u003e No. Even though some generic sellers list those models, OEM microfiche and official kits show different rear caliper repair part numbers for Himalayan and 650 Twins. Use the correct kit (e.g., \u003cstrong data-start=\"6721\" data-end=\"6756\"\u003e594696\/A major rear caliper kit\u003c\/strong\u003e) for those models.(INT AND GT 650 KITS ARE AVAILABE SEPERATELY)\u003c\/p\u003e\n\u003cp data-start=\"6780\" data-end=\"7034\"\u003e\u003cstrong data-start=\"6780\" data-end=\"6862\"\u003eQ5. What symptoms indicate I should replace the rear caliper piston and seals?\u003c\/strong\u003e\u003cbr data-start=\"6862\" data-end=\"6865\"\u003e\u003cstrong data-start=\"6865\" data-end=\"6871\"\u003eA:\u003c\/strong\u003e Common signs include rear brake dragging, uneven pad wear, brake fluid leakage around the caliper, or a spongy pedal that doesn’t improve after proper bleeding.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50458580910375,"sku":null,"price":430.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/Rear_brake_piston_kit_KAB00216A_Classic_350_Reborn.jpg?v=1758876149","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-kab00216-a-rear-caliper-piston-kit-classic-350-reborn","provider":"UNDER THE HOOD","version":"1.0","type":"link"}