{"id":661,"date":"2020-07-30T07:00:00","date_gmt":"2020-07-30T07:00:00","guid":{"rendered":"https:\/\/www.worksbell.co.jp\/products_detail\/rapfix-racing\/"},"modified":"2026-10-20T20:08:31","modified_gmt":"2026-10-20T11:08:31","slug":"rapfix-racing","status":"publish","type":"type_item","link":"https:\/\/www.worksbell.co.jp\/en\/products_detail\/rapfix-racing\/","title":{"rendered":"RAPFIX Racing"},"template":"","cg_item":[7],"acf":{"item_list_cont":"","item_det":"\t\t\t<div class=\"pdtl-wrap\">\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<div class=\"pdtl-main-img\"><img src=\"[template_url]\/img\/14_racing\/racing_mv.png\" alt=\"img\"><\/div>\n\t\t\t\t\t<div class=\"pdtl-main-wrap\">\n\t\t\t\t\t\t<div class=\"pdtl-main-left type--first\">\n\t\t\t\t\t\t\t<p class=\"pdtl-main-left_name\">RAPFIX Racing<\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t\t\t\t<p class=\"pdtl-main-left_price\">Attention!\u3000-Before purchase-<\/p>\n\t\t\t\t\t\t\t\t<p class=\"cmn_txt\">This product is exclusively for competition cars. Please note the following items.<br\/> \u30fbIt is not \"vehicle inspection correspondence\".<br\/> \u30fbMOMO and NARDI horn buttons cannot be attached.<br\/> - It cannot be directly mounted on a normal-sized PCD (MOMO=70mm, NARDI=74mm). You will need a 3-6 hole conversion adapter sold separately.<br\/> \u30fbIt cannot be attached directly to the standard boss or short boss. Please contact us for details.<br\/> \u30fbFor other product characteristics, shapes, and mounting holes, please refer to the \"Instruction Manual\" and \"Product Schematic Diagram\" for details, and consider the mounting method before purchasing.<\/p>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<h3 class=\"cmn-head\">Product Information<\/h3>\n\t\t\t\t\t<div class=\"col2-wrap type--reverse\">\n\t\t\t\t\t\t<div class=\"col2_img\"><img src=\"https:\/\/www.worksbell.co.jp\/wp-content\/themes\/worksbell\/img\/14_racing\/pic02.png\" alt=\"img\">\n\t\t\t\t\t\t<img src=\"https:\/\/www.worksbell.co.jp\/wp-content\/themes\/worksbell\/img\/14_racing\/racing_01_2.png\" alt=\"img\">\n\n<p class=\"mb20 mt20 ta_l\">Click here to purchase<\/p>\n<!--\u30ab\u30fc\u30c8\u3000\u6eb6\u63a5\u30bf\u30a4\u30d7-->\n<div class=\"addcart\">\n<div id=\"product-component-1727343926270\"><\/div>\n<script type=\"text\/javascript\">\n\/*<![CDATA[*\/\r\n(function () {\r\n  var 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{\r\n      \"toggle\": {\r\n        \"background-color\": \"#d0121b\",\r\n        \":hover\": {\r\n          \"background-color\": \"#bb1018\"\r\n        },\r\n        \":focus\": {\r\n          \"background-color\": \"#bb1018\"\r\n        }\r\n      }\r\n    }\r\n  }\r\n},\r\n      });\r\n    });\r\n  }\r\n})();\r\n\/*]]>*\/\n<\/script>\n<\/div>\n<!--\/\/\u30ab\u30fc\u30c8-->\n\n\n<\/div>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<div class=\"col2_txt\">\n\t\t\t\t\t\t\t<div class=\"pdtl-main-left\">\n\t\t\t\t\t\t\t\t<p class=\"pdtl-main-left_name\">RAPFIX Racing Welding Type<\/p>\n\t\t\t\t\t\t\t\t<p class=\"pdtl-main-left_price\">35,200 yen (32,000 yen, excluding tax)<\/p>\n\t\t\t\t\t\t\t\t<p class=\"cmn_txt type--pt30\">Usage: Dedicated testing for competition bikes<br\/> Steering wheel used: Competition (PCD50.8mm 3 holes, M5P0.8)<br\/> Vehicle mounting method: Welding (pipe diameter outer diameter \u03c619.0 or inner diameter \u03c625.2)<br\/> Main structural materials:<br\/> Plug = Chromium-molybutene steel SCM435<br\/> Socket = Aluminum alloy A7075T6<br\/> Sleeve = Aluminum alloy + stainless steel SUS420<br\/> Ball = Steel SUJ2<br\/> Dimensions: Total length approximately 90mm<br\/> Weight: 350.8g<br\/><br\/><a href=\"https:\/\/www.worksbell.co.jp\/pdf\/manual\/Rapfix Racing WeldType OverView B5.pdf\" class=\"link_02\" target=\"_blank\">RAPFIX Racing Welding Type Product Overview Diagram<\/a>\n\n\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<div class=\"col2-wrap type--reverse\">\n\t\t\t\t\t\t<div class=\"col2_img\"><img src=\"https:\/\/www.worksbell.co.jp\/wp-content\/themes\/worksbell\/img\/14_racing\/pic03.png\" alt=\"img\">\n\t\t\t\t\t\t<img src=\"https:\/\/www.worksbell.co.jp\/wp-content\/themes\/worksbell\/img\/14_racing\/racing_02_2.png\" alt=\"img\">\n\n<p class=\"mb20 mt20 ta_l\">Click here to purchase<\/p>\n<!--\u30ab\u30fc\u30c8\u3000\u30dc\u30eb\u30c8\u30bf\u30a4\u30d7-->\n<div class=\"addcart\">\n<div id=\"product-component-1727344040699\"><\/div>\n<script type=\"text\/javascript\">\n\/*<![CDATA[*\/\r\n(function () {\r\n  var scriptURL = 'https:\/\/sdks.shopifycdn.com\/buy-button\/latest\/buy-button-storefront.min.js';\r\n  if (window.ShopifyBuy) {\r\n    if (window.ShopifyBuy.UI) {\r\n      ShopifyBuyInit();\r\n    } else {\r\n      loadScript();\r\n    }\r\n  } else {\r\n    loadScript();\r\n  }\r\n  function loadScript() {\r\n    var script = document.createElement('script');\r\n    script.async = true;\r\n    script.src = scriptURL;\r\n    (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(script);\r\n    script.onload = ShopifyBuyInit;\r\n  }\r\n  function ShopifyBuyInit() {\r\n    var client = ShopifyBuy.buildClient({\r\n      domain: 'worksbell.myshopify.com',\r\n      storefrontAccessToken: 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\"\u9001\u6599\u306f\u6700\u5f8c\u306b\u8868\u793a\u3055\u308c\u307e\u3059\",\r\n      \"button\": \"\u8cfc\u5165\u3059\u308b\",\r\n      \"noteDescription\": \"\u5099\u8003\"\r\n    },\r\n    \"contents\": {\r\n      \"note\": true\r\n    }\r\n  },\r\n  \"toggle\": {\r\n    \"styles\": {\r\n      \"toggle\": {\r\n        \"background-color\": \"#d0121b\",\r\n        \":hover\": {\r\n          \"background-color\": \"#bb1018\"\r\n        },\r\n        \":focus\": {\r\n          \"background-color\": \"#bb1018\"\r\n        }\r\n      }\r\n    }\r\n  }\r\n},\r\n      });\r\n    });\r\n  }\r\n})();\r\n\/*]]>*\/\n<\/script>\n<\/div>\n<!--\/\/\u30ab\u30fc\u30c8-->\n\n<\/div>\n\t\t\t\t\t\t<div class=\"col2_txt\">\n\t\t\t\t\t\t\t<div class=\"pdtl-main-left\">\n\t\t\t\t\t\t\t\t<p class=\"pdtl-main-left_name\">RAPFIX Racing Bolt Type<\/p>\n\t\t\t\t\t\t\t\t<p class=\"pdtl-main-left_price\">38,500 yen (35,000 yen excluding tax)<\/p>\n\t\t\t\t\t\t\t\t<p class=\"cmn_txt type--pt30\">Intended use: For competition bikes only<br\/> Steering wheel used: Competition (PCD50.8mm 3 holes, M5P0.8)<br\/> Vehicle mounting method: 3-hole bolt mounting (PCD 50.8mm, 3-hole \u03c65.2)<br\/> Main structural materials:<br\/> Plug = Chromium-molybutene steel SCM435<br\/> Socket = Aluminum alloy A7075T6<br\/> Sleeve = Aluminum alloy + stainless steel SUS420<br\/> Ball = Steel SUJ2<br\/> Dimensions: Total length approx. 75mm<br\/> Weight: 348.4g<br\/><br\/><a href=\"https:\/\/www.worksbell.co.jp\/pdf\/manual\/Rapfix_Racing_BoltType_OverView_B5.pdf\" class=\"link_02\" target=\"_blank\">RAPFIX Racing Bolt Type Product Overview Diagram<\/a>\n\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n<p class=\"pdtl-main-left_price mb20 mt20\">Notes on product color (anodizing)<\/p>\n<p>Since this product is an aluminum product, it is anodized (anodized) to improve corrosion resistance and wear resistance.<br\/>Anodized aluminum has the characteristic of being difficult to reproduce a uniform state in terms of color and luster, so the color and luster change depending on the production lot.<br\/>In addition, during the construction of anodized aluminum, color loss occurs in the part that is in contact with the jig, but since it is an unavoidable event in the process, we cannot respond to complaints, returns, or exchanges related to these color views, etc. Please note.<\/p>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<div class=\"wrap-mov\">\n\t\t\t\t\t\t<div class=\"wrap-mov_movie\"><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/sEVOFYZz4zY?start=115&rel=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/div>\n\t\t\t\t\t\t<div class=\"wrap-mov_txt\">\n\t\t\t\t\t\t\t<p><span class=\"col_red\">Genuine Adoption<\/span> in Aston Martin's Vulcan<\/p>\n\t\t\t\t\t\t\t<p class=\"type--mt2em\">The video starts playing at [1:55].<\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"wrap-mov type--mt2em\">\n\t\t\t\t\t\t<div class=\"wrap-mov_movie\"><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/BXXzcpQjnTM?start=246&rel=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/div>\n\t\t\t\t\t\t<div class=\"wrap-mov_txt\">\n\t\t\t\t\t\t\t<p><span class=\"col_red\">Officially adopted<\/span> in the Aston Martin Valkyrie<\/p>\n\t\t\t\t\t\t\t<p class=\"type--mt2em\">The video starts playing at [4:06].<\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<div class=\"col2-wrap type--reverse\">\n\t\t\t\t\t\t<div class=\"col2_img\"><img src=\"[template_url]\/img\/14_racing\/pic01.png\" alt=\"img\"><\/div>\n\t\t\t\t\t\t<div class=\"col2_txt\">\n\t\t\t\t\t\t\t<div class=\"pdtl-main-left\">\n\t\t\t\t\t\t\t\t<p class=\"cmn_txt\">The SFI Foundation (SFI) is a non-profit organization established to issue and manage standards for professional performance and quality assurance of racing equipment. Since 1978, the SFI Foundation has contributed to the automotive aftermarket and motorsports industry. Service to the industry is a system that develops and manages various standards, certifications, and testing criteria for use in motorsports.\n\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<h3 class=\"cmn-head\">How it happened<\/h3>\n\t\t\t\t\t<p class=\"cmn_txt\">Developed as the ideal form of a competition quick-release hub. The Rafix series has already sold over 20,000 units as detachable hubs for commercial sports steering wheels, establishing its position as \"Quick Release = Rafic\" with its unique ball lock system. Based on this technology, it has achieved compactness and weight reduction exclusively for competition vehicles.<\/p>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<h3 class=\"cmn-head\">Features<\/h3>\n\t\t\t\t\t<p class=\"cmn_txt\">Pulling the sleeve frees the steel ball in the socket and releases the socket from the plug. The pulled sleeve is held in place and does not need to be pulled again for insertion. The major advantage is that it can be inserted at any angle and automatically joins with the steering wheel (socket) when the angle of the steering wheel (socket) and the steering shaft (plug) are aligned, eliminating the annoyance of the pre-RAPFIX quick release where the shaft cannot be inserted unless the TOP is precisely aligned. The steel ball has been greatly reduced. The unique technology also eliminates rattling and ensures secure steering force transmission because the steel ball always maintains pressure on the plug. This rattle-free and smooth connection is effective even after a certain amount of wear and tear on the product, which greatly contributes to the driver's severe steering wheel operation. Furthermore, RAPFIX Racing uses a new \"Cam Lock\" mechanism to ensure that the plug and socket are fully bonded and that radial loads are locked in place for absolute reliability on the racetrack. Together with the ball lock, this ensures safety.<\/p>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<h3 class=\"cmn-head\">Specifications<\/h3>\n\t\t\t\t\t<p class=\"cmn_txt\">Developed with the premise of use in competition vehicles. To allow easy welding to the steering shaft, the plug uses SCM435 chromolite-molybutene steel, and the sleeve uses SUS420 liner inside to achieve lightweight and high strength. The socket is made of ultra-duralumin and enhanced durability with special plating. A protective cap made of Dellin resin is attached to the plug tip, anticipating heavy use. Even if inserted carelessly, the plug tip is less likely to damage the socket, and if the protective cap is damaged, it can be easily replaced. A new bolt type has been added that can be fixed to the steering shaft with bolts (PCD 50.8mm 3 holes).<\/p>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<h3 class=\"cmn-head\">Strength<\/h3>\n\t\t\t\t\t<p class=\"cmn_txt\">We conduct tests defined by the NAPAC standards (*1), which are Japan's aftermarket product standards.<br\/> As a result of these tests, both the bending and torsion tests showed slight permanent deformation and increased rattle under the specified load, but they remained detachable and did not break, and even under heavy loads, steering would not become impossible. Furthermore, tests were conducted to determine how much load would be required to release the coupled plug and socket under strong tensile force. Even at 3754 kg (3.67 KN), the device did not break, and the fastening screw with the steering wheel broke first, concluding the test. It was confirmed that the quick-release function could continue to operate even after it had ended. Since the standard operator weight according to Japanese Industrial Standards is 55 kg, the device must withstand approximately 68G of impact in the tensile direction.<br\/> In terms of durability, even after 10,000 internal tests of putting on and removing parts, it was confirmed that although the rattle increased, steering and attaching and detaching operations were possible, and it did not break.<br\/><br\/>\n (*1) For the transmission of steering force and radial force by steering wheel steering, torsional tests showed no failure under a static load of 29.7 kg\u00b7m (291 N\u00b7m), and under bending loads where the driver's weight acts on the top position of the steering wheel, no failure was achieved under static weight of 19.8 kg\u00b7m (194 N\u00b7m) in the bending test.<\/p>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<h3 class=\"cmn-head\">Optional Accessories<\/h3>\n\t\t\t\t\t<div class=\"col2-wrap type--reverse\">\n\t\t\t\t\t\t<div class=\"col2_img\"><img src=\"[template_url]\/img\/14_racing\/pic04.png\" alt=\"img\"><\/div>\n\t\t\t\t\t\t<div class=\"col2_txt\">\n\t\t\t\t\t\t\t<div class=\"pdtl-main-left\">\n\t\t\t\t\t\t\t\t<p class=\"pdtl-main-left_name\">For RAPFIX Racing\/GTC-R<br\/> 3-hole to 6-hole conversion adapter (set of 2)<\/p>\n\t\t\t\t\t\t\t\t<p class=\"pdtl-main-left_price\">6,600 yen (6,000 yen excluding tax)<\/p>\n\t\t\t\t\t\t\t\t<p class=\"cmn_txt type--pt30\">This adapter converts the 3-hole of Rafix Racing into a 6-hole MOMO\/NARDI type.<br\/> Thickness: approximately 5 mm per piece<br\/> Outer diameter: approximately 83mm<br\/>\t\t\t\t\t\t\t\t\t<!--\u203b\u4fa1\u683c\u306f\u5168\u3066\u7a0e\u629c\u4fa1\u683c\u3067\u3059\u3002\u5225\u9014\u6d88\u8cbb\u7a0e\u5206\u304c\u52a0\u7b97\u3055\u308c\u307e\u3059\u3002--><br\/><a href=\"https:\/\/www.worksbell.co.jp\/pdf\/manual\/Rapfix_Racing_BoltType_3_6Adpt_OverView.pdf\" class=\"link_02\" target=\"_blank\">RAPFIX Racing\/GTC-R 3-Lug to 6-Lug Conversion Adapter Product Overview<\/a><\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<div class=\"pdtl-main-wrap type--pt30\">\n\t\t\t\t\t\t<div class=\"pdtl-main-left\">\n\t\t\t\t\t\t\t<p class=\"pdtl-main-left_name\">RAPFIX Racing Welding Type Dedicated Electrode Kit<\/p>\n\t\t\t\t\t\t\t<p class=\"pdtl-main-left_price\">52,800 yen (48,000 yen excluding tax)<\/p>\n\t\t\t\t\t\t\t<p class=\"cmn_txt type--pt30\">You can add 12 electrodes to the RAPFIX Racing welded type. The terminal section can also be attached and detached simultaneously with the steering wheel.<br\/><br\/><a href=\"https:\/\/www.worksbell.co.jp\/pdf\/manual\/Rapfix Racing Conn OverView.pdf\" class=\"link_02\" target=\"_blank\">RAPFIX Racing Welding Type Dedicated Electrode Kit Installation Sketch<\/a><\/p>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\n\t\t\t\t<div class=\"common-wrap-02 cmn-block\">\n\t\t\t\t\t<div class=\"img-center-small-wrap\">\n\t\t\t\t\t\t<div class=\"img-center-small\">\n\t\t\t\t\t\t\t<div class=\"img-center_img\"><img src=\"[template_url]\/img\/14_racing\/pic05_2.png\" alt=\"img\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"img-center-small\">\n\t\t\t\t\t\t\t<div class=\"img-center_img\"><img src=\"[template_url]\/img\/14_racing\/pic06.png\" alt=\"img\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n<div class=\"common-wrap-02 cmn-block\">\n      <span class=\"cmn_txt_bold col_red manual_dl\">Download the instruction manual<\/span>\n      <p class=\"cmn_txt ml1em\">\n        <a href=\"https:\/\/www.worksbell.co.jp\/pdf\/manual\/racing.pdf\" class=\"link_02\" target=\"_blank\">Rafix Racing Welding Type<\/a><br\/>        <a href=\"https:\/\/www.worksbell.co.jp\/pdf\/manual\/racing_bolt.pdf\" class=\"link_02\" target=\"_blank\">Rafix Racing Bolt Type<\/a><br\/>        <a href=\"https:\/\/www.worksbell.co.jp\/pdf\/manual\/racing_el.pdf\" class=\"link_02\" target=\"_blank\">Rafix Racing Electrode Kit<\/a><br>\n      <\/p>\n    <\/div>\n\t\t\t<\/div>\n\t\t\t<!--under-content-->","item_img":10684},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Rafix Racing has achieved miniaturization and weight reduction as the ideal form of a competition quick-release hub, establishing reliability in racing scenarios.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"keywords\" 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09:59:33","updated":"2026-10-20 11:10:19","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.worksbell.co.jp\/en\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.worksbell.co.jp\/cg_item\/item_rapfix\/\" title=\"RAPFIX SERIES\">RAPFIX SERIES<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tRAPFIX Racing\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.worksbell.co.jp\/en\/"},{"label":"RAPFIX SERIES","link":"https:\/\/www.worksbell.co.jp\/cg_item\/item_rapfix\/"},{"label":"RAPFIX 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