{"product_id":"mmx-performance-2-piece-335mm-front-rotor-set-mini-f55-f56-f57-jcw","title":"MMX Performance 2-Piece 335mm Front Rotor Set - MINI F55 \/ F56 \/ F57 JCW","description":"\u003cp\u003ePush a JCW hard on track and the one-piece factory front discs start to judder, glaze and crack. The \u003ca href=\"\/collections\/mmr-performance\"\u003eMMX Performance\u003c\/a\u003e 2-Piece 335mm Front Rotor Set keeps the OEM JCW diameter and bolts straight on, but swaps the solid disc for a true floating rotor built for repeated heavy stops.\u003c\/p\u003e\n\u003cp\u003eYour factory calipers stay, so the upgrade is simple and the pedal feel stays consistent lap after lap.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMINI JCW 2-Piece Floating Front Rotors\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA proprietary high-carbon iron friction ring with directional grooves rides on a CNC-machined 6061-T6 aluminum hat through floating bobbins. The ring expands freely under heat instead of warping, and cooling improves by up to 30% over OEM.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x pair of 2-piece floating front rotors, left and right directional (335 x 30mm)\u003c\/li\u003e\n\u003cli\u003eFloating bobbin hardware, pre-installed\u003c\/li\u003e\n\u003cli\u003eAll required fitting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrake pads not included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e335mm x 30mm, matches the OEM JCW front diameter\u003c\/li\u003e\n\u003cli\u003e2-piece floating construction with bobbin mounting\u003c\/li\u003e\n\u003cli\u003eHigh-carbon iron ring with directional grooves\u003c\/li\u003e\n\u003cli\u003eCNC-machined 6061-T6 aluminum center hat\u003c\/li\u003e\n\u003cli\u003eUp to 30% improved cooling efficiency over OEM\u003c\/li\u003e\n\u003cli\u003ePart number: MMR31-1410F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFits MINI F-Series John Cooper Works models with the OEM 335mm front brake:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMINI F55 \/ F56 \/ F57 John Cooper Works (2015-2024)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRotors are directional, left and right. Professional installation is recommended, followed by pad bedding.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove the front calipers, carriers and OEM rotors.\u003c\/li\u003e\n\u003cli\u003eFit each MMX rotor to the correct side, checking groove direction.\u003c\/li\u003e\n\u003cli\u003eReinstall the calipers with fresh pads and torque to MINI specification.\u003c\/li\u003e\n\u003cli\u003eBed in the pads before hard use.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"MMX Performance","offers":[{"title":"Default Title","offer_id":52395262476534,"sku":"MMR31-1410F","price":1426.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2674\/6278\/files\/54805371450_74f3099d2c_b.jpg?v=1794624737","url":"https:\/\/autotecknic.com\/products\/mmx-performance-2-piece-335mm-front-rotor-set-mini-f55-f56-f57-jcw","provider":"AutoTecknic USA","version":"1.0","type":"link"}