{"title":"Bobbins \u0026 Clips","description":"","products":[{"product_id":"ap-racing-rotor-bobbins-btcc-disks-cp4135-107k12","title":"AP Racing Rotor Bobbins – BTCC 368 mm Discs (CP4135-107K12) | XC3 Engineering","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese AP Racing CP4135-107K12 Rotor Bobbins fit BTCC-spec 368 mm brake rotors, providing a secure, high-strength floating connection between the rotor ring and bell.\u003cbr data-start=\"796\" data-end=\"799\"\u003eEssential for any AP Racing big-brake setup, these bobbins ensure proper thermal expansion, smooth rotor float, and consistent braking performance under extreme heat and high-load track conditions.\u003c\/p\u003e\n\u003cp\u003eCan be used with other Rotors and Bells, Please check fitment.\u003c\/p\u003e\n\u003cp\u003ePart no. \u003cmeta charset=\"utf-8\"\u003e\u003cspan data-ui-id=\"page-title-wrapper\" class=\"base\"\u003eCP4135-107K12\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-ui-id=\"page-title-wrapper\" class=\"base\"\u003e1 kit = 1 Rotor. Please order two sets for a pair of Rotors\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUniversal \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRelated Parts:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eXC3 Custom Rotor Bells \u003cmeta charset=\"utf-8\"\u003e→\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.xc3.co.uk\/search?type=product\u0026amp;q=bells\"\u003eView Product\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eReplacement Ex-BTCC 368mmx36mm Rotors\u003cb\u003e \u003c\/b\u003e→\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=1\u0026amp;_sid=cfd00747f\u0026amp;_ss=r\"\u003eView Product\u003c\/a\u003e\u003ca href=\"https:\/\/www.xc3.co.uk\/products\/m18-rod-end-rubber-boot-dirt-cover-for-spherical-bearings-xc3-engineering\" data-samitaws-handle=\"m18-rod-end-rubber-boot-dirt-cover-for-spherical-bearings-xc3-engineering\"\u003e\u003c\/a\u003e \u003c\/p\u003e\n\u003cp\u003e7 Day lead time on this product if not in stock. Please contact us for Stock availability \u003cb\u003e \u003c\/b\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"AP Racing","offers":[{"title":"Default Title","offer_id":45758436573451,"sku":"CP4135-107K12","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/BTCC_AP_Bobbins_CP4135-107K12.jpg?v=1767803529"},{"product_id":"ap-racing-anti-rattle-clips-bobbins-for-btcc-368mm-brake-rotors-xc3-engineering","title":"AP Racing Anti Rattle Clips \u0026 Bobbins for BTCC 368mm Brake Rotors | XC3 Engineering","description":"\u003cp\u003eProduct Overview\u003c\/p\u003e\n\u003cp data-start=\"90\" data-end=\"393\"\u003eFloating two-piece BTCC 368mm x 36mm rotors can produce a light “knock” as a normal characteristic of the design. This hardware kit is for customers who want to reduce that characteristic noise\/movement at the bell-to-rotor connection while keeping the rotor’s intended float and function.\u003c\/p\u003e\n\u003cp data-start=\"90\" data-end=\"393\"\u003eThese bobbins and Anti Rattle Clips fit newer style BTCC Rotors. To tell if you have new style rotors, The J hook Pattern on the rotor face will not be touching the edge of the rotor. Please see picture on the media section. \u003c\/p\u003e\n\u003cp data-start=\"90\" data-end=\"393\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eCan be used with other Rotors and Bells, Please check fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eKit Details and Contents:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12x AP Racing Bobbins \u003c\/li\u003e\n\u003cli\u003e12x Anti Rattle Kits \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e1 Kit = 2 Rotors replacing every other Bobbin, which will be sufficient to reduce noise. \u003c\/p\u003e\n\u003cp\u003eIf you require 12 non anti rattle clip bobbins please see \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/ap-racing-rotor-bobbins-btcc-disks-cp4135-107k12?_pos=1\u0026amp;_sid=489eb662a\u0026amp;_ss=r\"\u003eHERE\u003c\/a\u003e \u003c\/p\u003e\n\u003cp\u003eAP Installation guide for these bobbins can be found \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/p14.289_issue_3_-_30-06-2014.pdf?v=1770721484\"\u003eHERE\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"AP Racing","offers":[{"title":"Default Title","offer_id":52889782616331,"sku":"XC3-ARS-BTCC","price":199.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/BTCCAntiRattlebobbins.jpg?v=1770721271"},{"product_id":"ap-racing-cp2494-2257-anti-rattle-clips-for-btcc-anti-rattle-bobbins-xc3-engineering","title":"AP Racing CP2494-2257 Anti Rattle Clips for BTCC Anti Rattle Bobbins | XC3 Engineering","description":"\u003ch4 data-start=\"1063\" data-end=\"1333\"\u003eProduct Description\u003c\/h4\u003e\n\u003cp data-start=\"1063\" data-end=\"1333\"\u003eFloating rotor systems are designed to allow controlled movement between the rotor ring and bell under heat. That movement is normal, but when anti-rattle hardware is missing, worn, or incorrectly matched, it can lead to excessive rattle, vibration, and unwanted noise.\u003c\/p\u003e\n\u003cp data-start=\"1335\" data-end=\"1622\"\u003eThese AP Racing \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eCP2494-2257\u003c\/span\u003e anti rattle clips are intended for BTCC-style anti-rattle bobbin setups and have been enlarged to 6.4mm specifically to match BTCC anti-rattle bobbins. That means you can install them as-is, without having to modify the clips to make them fit.\u003c\/p\u003e\n\u003ch4 data-section-id=\"p761n\" data-start=\"1624\" data-end=\"1656\"\u003eWhy Anti-Rattle Clips Matter\u003c\/h4\u003e\n\u003cp data-start=\"1657\" data-end=\"1771\"\u003eAnti-rattle clips help control free play in the bobbin hardware assembly. On performance and track cars, this can:\u003c\/p\u003e\n\u003cul data-start=\"1772\" data-end=\"1989\"\u003e\n\u003cli data-section-id=\"b9ty3o\" data-start=\"1772\" data-end=\"1838\"\u003ereduce rattling noises at low speed and during direction changes\u003c\/li\u003e\n\u003cli data-section-id=\"13c4r0x\" data-start=\"1839\" data-end=\"1923\"\u003eimprove consistency in how the floating hardware behaves over repeated heat cycles\u003c\/li\u003e\n\u003cli data-section-id=\"1gytmt8\" data-start=\"1924\" data-end=\"1989\"\u003ehelp keep the assembly running correctly as a consumable system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1991\" data-end=\"2174\"\u003eIf you’re refreshing a BTCC rotor setup, swapping bobbins, or rebuilding bells\/rotors, fitting the correct clips is one of those small details that makes the whole package feel right.\u003c\/p\u003e\n\u003cp data-start=\"1991\" data-end=\"2174\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSold per Anti Rattle Clip\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1991\" data-end=\"2174\"\u003eMay fit other bobbin types.\u003c\/p\u003e\n\u003cp data-start=\"1991\" data-end=\"2174\"\u003eWe can supply these Anti Rattle Clips with 6.2mm diameter centres if needed.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts:\u003c\/h4\u003e\n\u003cp\u003eBTCC Anti Rattle Clips + Bobbins complete Kit \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e→ \u003c\/span\u003e\u003ca href=\"https:\/\/www.xc3.co.uk\/products\/ap-racing-anti-rattle-clips-bobbins-for-btcc-368mm-brake-rotors-xc3-engineering?_pos=1\u0026amp;_sid=e08624952\u0026amp;_ss=r\"\u003eView Product\u003c\/a\u003e\u003ca href=\"https:\/\/www.xc3.co.uk\/products\/m18-rod-end-rubber-boot-dirt-cover-for-spherical-bearings-xc3-engineering\" data-samitaws-handle=\"m18-rod-end-rubber-boot-dirt-cover-for-spherical-bearings-xc3-engineering\"\u003e\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1991\" data-end=\"2174\"\u003e \u003c\/p\u003e","brand":"AP Racing","offers":[{"title":"Default Title","offer_id":53016751046923,"sku":"CP2494-2257","price":2.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/AntiRattleClips1.jpg?v=1774954181"}],"url":"https:\/\/www.xc3.co.uk\/collections\/bobbins-clips.oembed","provider":"XC3 Engineering","version":"1.0","type":"link"}