{"product_id":"high-performance-final-drive-ratio-4-411-c1","title":"Citroën C1 High-Performance Final Drive Ratio 4.411 Citroën C1","description":"\u003cdiv class=\"aos-product-description\"\u003e\n\n  \u003cp\u003e\n    Upgrade the acceleration and drivetrain response of your\n    \u003cstrong\u003eCitroën C1 1.0 12V\u003c\/strong\u003e with this\n    \u003cstrong\u003eHigh-Performance 4.411 Final Drive\u003c\/strong\u003e,\n    designed for compatible vehicles equipped with the\n    \u003cstrong\u003e20TT manual gearbox\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This \u003cstrong\u003eused and tested final drive gear set\u003c\/strong\u003e\n    replaces the standard 3.550 ratio with a shorter\n    \u003cstrong\u003e4.411 final drive\u003c\/strong\u003e, helping improve acceleration,\n    torque delivery and responsiveness for motorsport and performance applications.\n  \u003c\/p\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n    \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n      Product Overview\n    \u003c\/summary\u003e\n\n    \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n      \u003cp\u003e\n        This \u003cstrong\u003eCitroën C1 4.411 Final Drive\u003c\/strong\u003e is designed\n        as a performance upgrade for compatible\n        \u003cstrong\u003e20TT manual gearboxes\u003c\/strong\u003e.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        By changing the standard final drive ratio from\n        \u003cstrong\u003e3.550 to 4.411\u003c\/strong\u003e, the overall gearing becomes shorter,\n        allowing the engine to move through the gears more quickly and\n        improving acceleration.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        This makes the setup particularly suitable for motorsport,\n        sprint, hill climb, circuit and other performance-focused applications\n        where rapid acceleration and drivetrain response are important.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n    \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n      Citroën C1 Compatibility\n    \u003c\/summary\u003e\n\n    \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Citroën\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e C1\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 1.0 12V\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eModel Years:\u003c\/strong\u003e 2004–2015\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eGearbox:\u003c\/strong\u003e 20TT manual gearbox\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFinal Drive Ratio:\u003c\/strong\u003e 4.411\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\n        \u003cstrong\u003eCompatibility must be confirmed before ordering.\u003c\/strong\u003e\n        Verify that your Citroën C1 is equipped with the correct\n        \u003cstrong\u003e20TT manual gearbox\u003c\/strong\u003e.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        If you are unsure about compatibility, contact Art of Speed\n        with your vehicle and gearbox details before purchasing.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n    \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n      Technical Specifications\n    \u003c\/summary\u003e\n\n    \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePerformance Final Drive Ratio:\u003c\/strong\u003e 4.411\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eStandard Final Drive Ratio:\u003c\/strong\u003e 3.550\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eGearbox:\u003c\/strong\u003e 20TT manual gearbox\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e 1.0 12V\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used and tested\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Motorsport and performance driving\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\n        The shorter \u003cstrong\u003e4.411 ratio\u003c\/strong\u003e increases overall\n        torque multiplication at the driven wheels compared with the\n        standard 3.550 final drive.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        As a result, acceleration is improved, although engine RPM\n        at a given road speed will also increase and theoretical\n        maximum speed may be reduced.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n    \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n      Performance Benefits\n    \u003c\/summary\u003e\n\n    \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n      \u003cul\u003e\n        \u003cli\u003eShorter 4.411 final drive ratio\u003c\/li\u003e\n        \u003cli\u003eImproved acceleration through the gears\u003c\/li\u003e\n        \u003cli\u003eStronger torque delivery at the wheels\u003c\/li\u003e\n        \u003cli\u003eImproved response from lower speeds\u003c\/li\u003e\n        \u003cli\u003eMore responsive drivetrain behaviour\u003c\/li\u003e\n        \u003cli\u003eSuitable for competition and performance-focused Citroën C1 builds\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\n        The shorter gearing is particularly beneficial in competition\n        environments involving frequent acceleration, technical sections\n        and repeated speed changes.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n    \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n      Motorsport Application\n    \u003c\/summary\u003e\n\n    \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n      \u003cp\u003e\n        This 4.411 final drive is intended for motorsport and\n        performance-focused Citroën C1 applications.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        According to the supplied product specification, this ratio\n        has been approved for use in the\n        \u003cstrong\u003eCity Division of the Stock Cup racing series promoted by ANPAC\u003c\/strong\u003e.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Motorsport regulations may change over time. Competitors should\n        always verify the current championship technical regulations\n        before purchasing or installing the component.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n    \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n      Condition \u0026amp; Quality\n    \u003c\/summary\u003e\n\n    \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n      \u003cp\u003e\n        This is a \u003cstrong\u003eused component\u003c\/strong\u003e that has been\n        tested before being offered for sale.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        As a used transmission component, cosmetic marks,\n        surface wear or other signs of previous use may be present.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        The actual appearance and condition of the supplied component\n        may differ from the images shown on the product page.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n    \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n      Installation \u0026amp; Professional Fitment\n    \u003c\/summary\u003e\n\n    \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n      \u003cp\u003e\n        \u003cstrong\u003eProfessional installation is strongly recommended.\u003c\/strong\u003e\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Replacing the final drive requires gearbox disassembly and\n        correct installation of the transmission components.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Installation should be carried out by an experienced gearbox\n        or motorsport transmission specialist.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        Bearings, clearances, preload and the general condition of\n        the gearbox should be inspected during installation to ensure\n        correct and reliable operation.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n    \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n      Frequently Asked Questions\n    \u003c\/summary\u003e\n\n    \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\n      \u003ch3 style=\"font-size: 1em; margin: 16px 0 8px;\"\u003e\n        Is this final drive compatible with the Citroën C1?\n      \u003c\/h3\u003e\n\n      \u003cp\u003e\n        It is intended for compatible\n        \u003cstrong\u003eCitroën C1 1.0 12V models from 2004 to 2015\u003c\/strong\u003e\n        equipped with the \u003cstrong\u003e20TT manual gearbox\u003c\/strong\u003e.\n      \u003c\/p\u003e\n\n      \u003ch3 style=\"font-size: 1em; margin: 16px 0 8px;\"\u003e\n        What is the final drive ratio?\n      \u003c\/h3\u003e\n\n      \u003cp\u003e\n        The upgraded final drive ratio is \u003cstrong\u003e4.411\u003c\/strong\u003e,\n        compared with the stated standard ratio of \u003cstrong\u003e3.550\u003c\/strong\u003e.\n      \u003c\/p\u003e\n\n      \u003ch3 style=\"font-size: 1em; margin: 16px 0 8px;\"\u003e\n        What does a 4.411 final drive improve?\n      \u003c\/h3\u003e\n\n      \u003cp\u003e\n        The shorter ratio increases torque multiplication at the wheels\n        and helps improve acceleration and drivetrain response.\n      \u003c\/p\u003e\n\n      \u003ch3 style=\"font-size: 1em; margin: 16px 0 8px;\"\u003e\n        Will the 4.411 ratio affect top speed?\n      \u003c\/h3\u003e\n\n      \u003cp\u003e\n        Yes. Shorter gearing generally increases engine RPM at a given\n        road speed and may reduce theoretical maximum speed compared\n        with the standard final drive.\n      \u003c\/p\u003e\n\n      \u003ch3 style=\"font-size: 1em; margin: 16px 0 8px;\"\u003e\n        Is this product new?\n      \u003c\/h3\u003e\n\n      \u003cp\u003e\n        No. This is a \u003cstrong\u003eused and tested final drive gear set\u003c\/strong\u003e.\n        Signs of previous use may be present.\n      \u003c\/p\u003e\n\n      \u003ch3 style=\"font-size: 1em; margin: 16px 0 8px;\"\u003e\n        Does it require professional installation?\n      \u003c\/h3\u003e\n\n      \u003cp\u003e\n        Yes. Installation by an experienced transmission or motorsport\n        gearbox specialist is strongly recommended.\n      \u003c\/p\u003e\n\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #dddddd;\"\u003e\n  \u003csummary style=\"padding: 16px 0; cursor: pointer; font-weight: bold;\"\u003e\n    Motorsport Use — Returns \u0026amp; Warranty\n  \u003c\/summary\u003e\n\n  \u003cdiv style=\"padding: 0 0 16px;\"\u003e\n    \u003cp\u003e\n      This product is intended exclusively for \u003cstrong\u003emotorsport use\u003c\/strong\u003e.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      All sales are final: \u003cstrong\u003eno returns are accepted and no commercial warranty is provided\u003c\/strong\u003e.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      This does not affect any statutory rights that cannot legally be excluded.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n  \u003cdiv style=\"margin-top: 20px; padding: 15px; border: 1px solid #dddddd;\"\u003e\n    \u003cp style=\"margin: 0;\"\u003e\n      \u003cstrong\u003eImportant:\u003c\/strong\u003e\n      This is a used performance transmission component.\n      Compatibility and gearbox condition should be confirmed before\n      installation. Professional fitment is strongly recommended.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cp style=\"font-size: 12px; color: #777777; margin-top: 16px;\"\u003e\n    \u003cem\u003e\n      Images are for illustrative purposes only and may not accurately\n      represent the specific product supplied or its actual condition.\n      Appearance, finish, wear marks and other visual details may vary.\n    \u003c\/em\u003e\n  \u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"CityBug - C1, 107, Aygo","offers":[{"title":"Default Title","offer_id":55089910055250,"sku":null,"price":875.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5637\/8962\/files\/FinalDrive_2b173f07-b7b5-409e-9163-4f00cb6b5655.jpg?v=1741608330","url":"https:\/\/shop.artofspeed.pt\/products\/high-performance-final-drive-ratio-4-411-c1","provider":"Art of Speed","version":"1.0","type":"link"}