{"product_id":"2-piece-rotors-rear-bmw-m-performance-m-sport","title":"Paragon 2-piece Rotors Rear Pair 345mm x 24mm (13.58\" x 0.94\") - BMW M Performance \/ M Sport (160mm E-brake Drum)","description":"\u003cstyle\u003e.pit-paragon-pdp h2{font-size:22px!important;line-height:1.3!important;margin:28px 0 12px!important}.pit-paragon-pdp h3{font-size:18px!important;line-height:1.4!important}.pit-paragon-pdp .pit-paragon-table{max-width:100%;overflow-x:auto;margin:16px 0}.pit-paragon-pdp table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.5}.pit-paragon-pdp caption{text-align:left;font-weight:600;padding:0 0 10px}.pit-paragon-pdp th,.pit-paragon-pdp td{padding:10px 12px;border:1px solid #dedede;text-align:left;vertical-align:top;overflow-wrap:anywhere}.pit-paragon-pdp th{width:32%;font-weight:600}.pit-paragon-pdp details{border-top:1px solid #dedede;padding:14px 0}.pit-paragon-pdp details:last-child{border-bottom:1px solid #dedede}.pit-paragon-pdp summary{cursor:pointer;font-size:16px!important;line-height:1.5;font-weight:600;list-style-position:outside;margin-left:18px}.pit-paragon-pdp details p{margin:12px 0 0;line-height:1.65}@media(max-width:749px){.pit-paragon-pdp h2{font-size:20px!important}.pit-paragon-pdp h3{font-size:17px!important}.pit-paragon-pdp th,.pit-paragon-pdp td{padding:8px}.pit-paragon-pdp summary{font-size:15px!important}}\u003c\/style\u003e\u003cdiv class=\"pit-paragon-pdp\"\u003e\n\u003cp\u003eParagon 345x24mm rear two-piece rotors are supplied as a pair for BMW M Performance \/ M Sport brake applications. Match the installed brake package and rotor dimensions before choosing a hat finish.\u003c\/p\u003e\n\u003ch2\u003eRotor specifications and fitment\u003c\/h2\u003e\n\u003cdiv class=\"pit-paragon-table\"\u003e\u003ctable\u003e\n\u003ccaption\u003eBMW M Sport rear rotor specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVehicle application\u003c\/th\u003e\n\u003ctd\u003eBMW M Performance \/ M Sport brake applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAxle \/ quantity\u003c\/th\u003e\n\u003ctd\u003eRear \/ two rotor assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRotor diameter × thickness\u003c\/th\u003e\n\u003ctd\u003e345x24mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRequired brake system\u003c\/th\u003e\n\u003ctd\u003eM Performance \/ M Sport brake package; verify caliper, rotor size; 160mm parking-brake drum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRotor construction\u003c\/th\u003e\n\u003ctd\u003eFixed-hat, non-floating two-piece construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRotor ring material\u003c\/th\u003e\n\u003ctd\u003eCM-250 high-carbon alloy cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHat material\u003c\/th\u003e\n\u003ctd\u003e6061-T6 aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRotor-to-hat mounting\u003c\/th\u003e\n\u003ctd\u003eFixed hat, non-floating (8 bolt))\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eDesign and serviceability\u003c\/h2\u003e\n\u003cp\u003eThe iron friction ring and aluminum hat separate the rotor’s braking surface from its mounting section. CM-250 iron is heat treated and surface machined, while the aluminum hat provides a lightweight mounting structure. The slotted face helps maintain a clean pad contact surface during braking.\u003c\/p\u003e\n\u003cp\u003eThis application uses a \u003cstrong\u003efixed-hat, non-floating\u003c\/strong\u003e mounting arrangement. Two-piece construction does not mean every rotor uses a floating connection; match replacement parts and assembly hardware to this specific design.\u003c\/p\u003e\n\u003ch2\u003eBrake-package requirements\u003c\/h2\u003e\n\u003cp\u003eM Performance \/ M Sport brake package; verify caliper, rotor size; 160mm parking-brake drum.\u003c\/p\u003e\n\u003ch2\u003eHat finish and installation\u003c\/h2\u003e\n\u003cp\u003eAvailable hat finish: Mil-Spec Black Hard Coat Anodizing; Mil-Spec Hard Coat Anodizing. Paragon recommends the undyed hard-anodized finish for heavy track use because dyed black hats can discolor under high heat. Choose for your use case, then follow the rotor bedding and installation instructions.\u003c\/p\u003e\n\u003ch2\u003eWhat is included\u003c\/h2\u003e\n\u003cp\u003eTwo assembled rotor units for the listed axle and installation instructions.\u003c\/p\u003e\n\u003ch2\u003eProduct FAQs\u003c\/h2\u003e\n\u003cdiv class=\"pit-paragon-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eAre these 345x24mm rotors for the front or rear?\u003c\/summary\u003e\u003cp\u003eThis listing is for the rear axle and includes two rotor assemblies for BMW M Performance \/ M Sport brake applications.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhich brake system do they fit?\u003c\/summary\u003e\u003cp\u003eM Performance \/ M Sport brake package; verify caliper, rotor size; 160mm parking-brake drum. Match the installed hardware, not just the vehicle model.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs this a complete brake kit?\u003c\/summary\u003e\u003cp\u003eNo. This listing supplies a rotor pair. Calipers and brake pads are not included.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhich hat finish suits track use?\u003c\/summary\u003e\u003cp\u003eParagon recommends undyed hard anodizing for high-heat track use. Dyed black hardcoat hats can discolor at high temperatures; confirm the available finish in the selector.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cp\u003eFor fitment help, send Pit Garage your model year, chassis, installed caliper\/brake package and intended road or track use. For a big brake kit, include wheel specifications. Confirm current availability and lead time before planning installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Paragon Performance","offers":[{"title":"Mil-Spec Black Hard Coat Anodizing:https \/ Yes","offer_id":54643601604899,"sku":"P2R010033","price":950.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec Hard Coat Anodizing:https \/ Yes","offer_id":54643601637667,"sku":"P2R010034","price":950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/9119\/2355\/files\/M-Performance-345mm-Rear-Rotors-2__72956.jpg?v=1778717218","url":"https:\/\/pitgaragemotorsports.com\/products\/2-piece-rotors-rear-bmw-m-performance-m-sport","provider":"Pit Garage","version":"1.0","type":"link"}