{"product_id":"red-cnc-aluminum-is-mount-disc-brake-caliper-adapter-r203-1","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 hardware with this precision-crafted \u003cstrong\u003eIS Mount Disc Brake Caliper Adapter\u003c\/strong\u003e. Available in two configurations — \u003cstrong\u003eIS F203\/R180\u003c\/strong\u003e and \u003cstrong\u003eIS R203\u003c\/strong\u003e — this bracket ensures accurate caliper alignment with your rotor for confident, consistent braking on every ride. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC Machined Aluminum Alloy:\u003c\/strong\u003e Precision-milled from lightweight aluminum alloy for a sturdy, durable structure that holds up to regular mountain and road cycling demands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIS Mount Compatible:\u003c\/strong\u003e Designed specifically for International Standard (IS) brake mounts. Choose from two options to match your rotor size and bike setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Options Available:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIS F203\/R180\u003c\/strong\u003e — For front 203 mm rotors or rear 180 mm rotors. Approx. 86 × 30 mm; 51 mm and 74 mm center-to-center hole spacing.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIS R203\u003c\/strong\u003e — For rear 203 mm rotors. Approx. 95 × 42 mm; 51 mm and 74 mm center-to-center hole spacing.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports Caliper Alignment:\u003c\/strong\u003e Positions your brake caliper correctly relative to the rotor, making it ideal for brake upgrades, worn-part replacement, and general brake system maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Hardware Included:\u003c\/strong\u003e Each package contains 1 adapter, 2 screws, and 4 washers — everything you need for installation right out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBold Red Finish:\u003c\/strong\u003e Anodized red color adds a sporty visual touch 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\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\u003eIS F203\/R180 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 86 × 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIS R203 Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 95 × 42 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHole Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 51 mm and 74 mm (center to center)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMTB, Road Bike, and other IS mount bicycles\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 Mainland 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 × IS Mount Disc Brake Caliper 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\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eScreen color settings may cause slight color variation from actual product.\u003c\/li\u003e\n  \u003cli\u003ePlease allow minor measurement tolerances (±1–2 mm) due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eAlways confirm your bike's brake mount type and rotor size before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May 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 for O-Rings \u0026amp; Tubes\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 – Multi-Functional Caulking Tools\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 Faucet Bubbler Wrenches – 6-Size Repair Spanner\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 brake mount type is this disc brake caliper adapter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter is designed for IS (International Standard) mount brake systems. It is not compatible with Post Mount (PM) frames. Always check your bike's brake mount type before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: Which rotor sizes does this IS mount brake adapter support?\u003c\/h4\u003e\n\u003cp\u003eA: The IS F203\/R180 variant supports front 203 mm rotors or rear 180 mm rotors. The IS R203 variant supports rear 203 mm rotors. Select the option that matches your specific rotor size and wheel position.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this adapter come with all the hardware needed 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 the essential hardware for a straightforward installation on compatible IS mount bicycle brake systems.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this brake adapter suitable for both mountain bikes and road bikes?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This CNC machined aluminum alloy adapter is suitable for mountain bikes (MTB), road bikes, and other bicycles that use compatible IS mount brake systems with the supported rotor sizes.\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 brake mount type is this disc brake caliper adapter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter is designed for IS (International Standard) mount brake systems. It is not compatible with Post Mount (PM) frames. Always check your bike's brake mount type before purchasing.\"}}, {\"@type\": \"Question\", \"name\": \"Which rotor sizes does this IS mount brake adapter support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The IS F203\/R180 variant supports front 203 mm rotors or rear 180 mm rotors. The IS R203 variant supports rear 203 mm rotors. 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This CNC machined aluminum alloy adapter is suitable for mountain bikes (MTB), road bikes, and other bicycles that use compatible IS mount brake systems with the supported rotor sizes.\"}}]}\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":67607624122467,"sku":"1005012744099668-IS R203","price":15.13,"currency_code":"USD","in_stock":true},{"title":"IS F203-R180","offer_id":67607624155235,"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.webp?v=1790768133","url":"https:\/\/nixiehaven.com\/products\/red-cnc-aluminum-is-mount-disc-brake-caliper-adapter-r203-1","provider":"Nixie","version":"1.0","type":"link"}