{"product_id":"red-cnc-aluminum-is-mount-disc-brake-caliper-adapter-r203","title":"Red CNC Aluminum IS Mount Disc Brake Caliper Adapter R203","description":"\n\u003ch2\u003eRed CNC Machined IS Mount Disc Brake Caliper Adapter\u003c\/h2\u003e\n\u003cp\u003eUpgrade or replace your bicycle's brake caliper mounting hardware with this precision-engineered \u003cstrong\u003eIS Mount Disc Brake Caliper Adapter\u003c\/strong\u003e. CNC machined from lightweight aluminum alloy and finished in a bold red anodized color, this bracket is built for reliable performance on mountain bikes, road bikes, and any bicycle using an International Standard (IS) brake mount system.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIS Mount Compatible:\u003c\/strong\u003e Available in two configurations — \u003cem\u003eIS F203\/R180\u003c\/em\u003e (front 203 mm or rear 180 mm rotor) and \u003cem\u003eIS R203\u003c\/em\u003e (rear 203 mm rotor). Choose the option that matches your setup before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC Machined Aluminum Alloy:\u003c\/strong\u003e Precision CNC machining delivers a strong, accurate frame that supports stable caliper positioning and long-term durability for everyday riding and cycling maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccurate Dimensions:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cem\u003eIS F203\/R180:\u003c\/em\u003e Approx. 86 × 30 mm | Hole spacing: approx. 51 mm \u0026amp; 74 mm center-to-center\u003c\/li\u003e\n      \u003cli\u003e\n\u003cem\u003eIS R203:\u003c\/em\u003e Approx. 95 × 42 mm | Hole spacing: approx. 51 mm \u0026amp; 74 mm center-to-center\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProper Caliper Alignment:\u003c\/strong\u003e Designed to correctly position your brake caliper relative to the rotor, making it ideal for brake upgrades, worn-part replacement, and general brake system adjustments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Hardware Included:\u003c\/strong\u003e Each package includes 1 adapter bracket, 2 mounting screws, and 4 washers — everything you need for a straightforward installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBold Red Finish:\u003c\/strong\u003e Eye-catching anodized red finish that adds a sporty accent to your MTB or road bike build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDisc Brake Caliper Mount Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy (CNC Machined)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed (Anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMount Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIS (International Standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIS F203\/R180 \u0026amp; IS R203\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Disc Brake Caliper Mount Adapter\u003c\/li\u003e\n  \u003cli\u003e2 × Mounting Screws\u003c\/li\u003e\n  \u003cli\u003e4 × Washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease verify your bike's brake mount type and rotor size before ordering to ensure compatibility.\u003c\/li\u003e\n  \u003cli\u003eScreen color settings may cause slight color variations from product photos.\u003c\/li\u003e\n  \u003cli\u003eAllow slight measurement deviation (±1–2 mm) for all listed dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant – Great for Brake Hardware \u0026amp; O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Versatile Multi-Functional Tool Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Wrench Set – Handy Tool for Hardware Repairs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the IS F203\/R180 and IS R203 adapter options?\u003c\/h4\u003e\n\u003cp\u003eA: The IS F203\/R180 adapter is designed for use with a front 203 mm rotor or a rear 180 mm rotor on IS mount brake systems. The IS R203 adapter is specifically designed for rear 203 mm rotor setups. Check your current rotor size and mounting position before selecting your option.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this disc brake caliper adapter compatible with all bike types?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter is compatible with mountain bikes (MTB), road bikes, and other bicycles that use an International Standard (IS) brake mount system with the specified rotor sizes. It is not suitable for post mount or flat mount brake systems.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the package include all necessary hardware for installation?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Each package includes 1 disc brake caliper mount adapter, 2 mounting screws, and 4 washers, providing all the essential hardware needed for a standard installation.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is this bike brake caliper adapter made from?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter is CNC machined from aluminum alloy, offering a solid and lightweight structure suitable for regular cycling use. The red anodized finish adds both style and a layer of surface protection.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the IS F203\/R180 and IS R203 adapter options?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The IS F203\/R180 adapter is designed for use with a front 203 mm rotor or a rear 180 mm rotor on IS mount brake systems. The IS R203 adapter is specifically designed for rear 203 mm rotor setups. Check your current rotor size and mounting position before selecting your option.\"}}, {\"@type\": \"Question\", \"name\": \"Is this disc brake caliper adapter compatible with all bike types?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter is compatible with mountain bikes (MTB), road bikes, and other bicycles that use an International Standard (IS) brake mount system with the specified rotor sizes. It is not suitable for post mount or flat mount brake systems.\"}}, {\"@type\": \"Question\", \"name\": \"Does the package include all necessary hardware for installation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Each package includes 1 disc brake caliper mount adapter, 2 mounting screws, and 4 washers, providing all the essential hardware needed for a standard installation.\"}}, {\"@type\": \"Question\", \"name\": \"What material is this bike brake caliper adapter made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The adapter is CNC machined from aluminum alloy, offering a solid and lightweight structure suitable for regular cycling use. The red anodized finish adds both style and a layer of surface protection.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Red CNC Aluminum IS Mount Disc Brake Caliper Adapter R203\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/red-cnc-aluminum-is-mount-disc-brake-caliper-adapter-r203\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"IS R203","offer_id":67607772069987,"sku":"1005012744099668-IS R203","price":15.13,"currency_code":"USD","in_stock":true},{"title":"IS F203-R180","offer_id":67607772102755,"sku":"1005012744099668-IS F203-R180","price":13.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/2047\/6003\/files\/S0e169017a9bc4b0cb583ff38d31902b7x_13acd9d5-ee09-4d51-834a-baffc25a3a46.webp?v=1790768885","url":"https:\/\/nixiehaven.com\/products\/red-cnc-aluminum-is-mount-disc-brake-caliper-adapter-r203","provider":"Nixie","version":"1.0","type":"link"}