{"product_id":"09d-bbk-replacement-rotor-focus-mk4-st","title":"09D BBK Replacement Rotor | Focus MK4\/4.5 ST","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eOur 09D Replacement Brake Rotors are precision-engineered, high-performance discs designed for use with our 09D big brake kits, offering uncompromised stopping power, thermal control, and durability for both road and track use. Sold as a matched pair, these rotors are manufactured from FC25 carbon steel, a premium-grade material renowned for its excellent thermal stability, strength, and resistance to distortion under extreme braking loads. Each disc is blackened for corrosion resistance and enhanced heat dissipation, combining performance with long-term durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch6\u003eInformation\u003c\/h6\u003e\n\u003cp class=\"MsoNormal\"\u003eOur rotors feature a \u003cb\u003edistinctive, motorsport-inspired groove pattern\u003c\/b\u003e, developed through extensive testing to:\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e-\u003c\/span\u003e \u003cb\u003eMaximise debris and gas evacuation\u003c\/b\u003e during braking\u003cbr\u003e\u003cspan\u003e-\u003c\/span\u003e \u003cb\u003eMaintain a clean pad surface\u003c\/b\u003e for optimal bite and consistent pedal feel\u003cbr\u003e\u003cspan\u003e-\u003c\/span\u003e \u003cb\u003ePrevent glazing\u003c\/b\u003e and reduce the risk of fade during sustained high-temperature use\u003cbr\u003e\u003cspan\u003e-\u003c\/span\u003e \u003cb\u003eEnhance initial bite\u003c\/b\u003e and braking modulation under both light and heavy pedal inputs\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThis groove design not only promotes \u003cb\u003estrong, consistent braking performance\u003c\/b\u003e, but also contributes to \u003cb\u003elonger pad and disc life\u003c\/b\u003e by reducing heat buildup and surface contamination.\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eFC25 Carbon Steel Construction – Offers exceptional heat resistance and structural integrity, ideal for high-stress, repeated braking events.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlackened Finish – Assists with corrosion resistanceand promotes even heat distribution.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFloating Disc Compatibility – Designed to mount onto your existing 09D disc bell using our bobbin system, ensuring controlled thermal expansion and eliminating rotor warping.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSold as a Precision-Matched Pair – Ensures even brake balance and wear across both sides of the vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eFitment\u003c\/h6\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eSuitable for use with the following 09D Big Brake Kits - \u003ca href=\"https:\/\/autobeam.co.uk\/collections\/zeronine-design\/products\/09d-front-brake-kit-6-pot-355x32mm-focus-st-mk4?_pos=9\u0026amp;_fid=d8d2d4bdf\u0026amp;_ss=c\" target=\"_blank\" title=\"BBK FOCUS MK4 ST ZERONINE\" rel=\"noopener\"\u003eFBR019AA\u003c\/a\u003e (Focus ST Mk4\/4.5) \/ \u003ca href=\"https:\/\/autobeam.co.uk\/collections\/zeronine-design\/products\/09d-front-brake-kit-6-pot-355x32mm-909-focus-mk4-st?_pos=10\u0026amp;_fid=ee99dfead\u0026amp;_ss=c\" target=\"_blank\" title=\"FOCUS MK4 BBK 909\" rel=\"noopener\"\u003e909FBR019AA\u003c\/a\u003e (Focus ST Mk4\/4.5).\u003c\/p\u003e\n\u003ch6\u003eWhat's in the box\u003c\/h6\u003e\n\u003cp\u003e2x BBK Replacement Rotors\u003c\/p\u003e","brand":"ZERONINE DESIGN","offers":[{"title":"Default Title","offer_id":56626482971010,"sku":"SUN020","price":399.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1491\/0630\/files\/REPLACEMENT-ROTOR-FOCUS-MK4-09.jpg?v=1778162994","url":"https:\/\/autobeam.co.uk\/products\/09d-bbk-replacement-rotor-focus-mk4-st","provider":"Autobeam","version":"1.0","type":"link"}