{"product_id":"bbs-fi-r-evo-21x13-0-centerlock-et31-wheel-porsche-992-gt3-rs","title":"BBS FI-R Evo 21x13.0 Centerlock ET31 Rear Wheel Porsche 992 GT3 RS","description":"\u003cp\u003e\u003cspan\u003eEnhance the performance and appearance of your Porsche 992 GT3 RS with the BBS FI-R Evo 21x13.0 ET31 Centerlock Rear Wheel. Developed by BBS Motorsport specifically for the Porsche 911 GT3 RS, this premium forged aluminum wheel combines advanced motorsport engineering, lightweight construction, and exceptional structural rigidity in a distinctive multi-spoke design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured using \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBBS's advanced one-piece aluminum forging process\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the FI-R Evo is engineered to deliver an exceptional strength-to-weight ratio while withstanding the demanding loads generated during high-performance driving. Its forged construction provides the structural integrity required for the GT3 RS's substantial braking forces, high cornering loads, and aerodynamic downforce.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FI-R Evo builds upon the renowned BBS FI-R design with additional structural refinements and extensive weight-reduction machining. Its signature \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emachined spoke openings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e remove unnecessary material while preserving strength and rigidity, creating one of the most recognizable designs in the BBS forged wheel lineup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReducing wheel mass can improve suspension responsiveness by lowering unsprung weight and rotational inertia. This allows the suspension to react more effectively to changes in road surface while supporting sharper steering response, improved handling precision, and more consistent performance during demanding driving conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis specific wheel features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21-inch diameter, 13-inch width, and ET31 offset\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered for the rear axle of the Porsche 992 GT3 RS. The application-specific dimensions provide proper integration with the vehicle's factory centerlock hub system and wide rear tire configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efactory-compatible centerlock mounting design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allows the FI-R Evo to integrate with the Porsche's original single-nut wheel attachment system. The wheel also accommodates the factory tire pressure monitoring system and is designed to clear the original Porsche carbon-ceramic braking system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBeyond its performance capabilities, the BBS FI-R Evo delivers a distinctive motorsport-inspired appearance. Its intricate spoke machining, concave profile, and premium finish complement the aggressive bodywork and aerodynamic design of the Porsche 992 GT3 RS.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered and manufactured in Germany, the BBS FI-R Evo represents the company's extensive experience developing high-performance forged wheels for demanding automotive and motorsport applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eThis product includes one individual 21x13.0 ET31 rear wheel only.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e It is ideal for customers replacing a damaged wheel, purchasing an individual spare, or completing an existing matching BBS FI-R Evo wheel configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePorsche 911 GT3 RS (992 generation)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned specifically for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003erear axle\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel diameter: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21 inches\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel width: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13.0 inches\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel offset: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eET31 (+31mm)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBBS wheel model: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFI-R Evo 218\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBBS application designation: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFI218\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFactory-compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePorsche centerlock mounting\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCenter bore: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e84mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with factory Porsche centerlock hubs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to clear factory Porsche carbon-ceramic brakes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with factory-style TPMS sensors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntended for the Porsche 992 GT3 RS rear-wheel application\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNot intended for installation on the front axle\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNot compatible with conventional five-lug wheel hubs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNot interchangeable with the narrower 21x12 ET45 rear wheel used on the standard 992 GT3\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLowered vehicles or vehicles with modified suspension geometry may require additional clearance verification\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTire sizing, section width, and alignment settings can affect wheel and fender clearance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProfessional installation using the correct Porsche centerlock procedures and torque equipment is required\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm wheel finish and matching BBS part number before ordering\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eIncluded\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOne (1) BBS FI-R Evo forged aluminum rear wheel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel specification: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21x13.0 ET31\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePorsche-compatible centerlock mounting interface\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSold Separately:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAdditional rear wheel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFront BBS FI-R Evo wheels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTires\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTire pressure monitoring sensor (TPMS)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCenterlock wheel nut and service hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel mounting, balancing, and installation labor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Specs\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufacturer: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBBS Motorsport\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel Model: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFI-R Evo\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBBS Wheel Designation: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFI218\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBBS Motorsport Item Number: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1619164\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProduct Type: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eForged Aluminum Rear Wheel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVehicle Application: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePorsche 911 GT3 RS (992)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel Position: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRear\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel Quantity: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel Diameter: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21 Inches\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel Width: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e13.0 Inches\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel Offset: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eET31 (+31mm)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMounting Configuration: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCenterlock\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCenter Bore: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e84mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConstruction: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOne-Piece Forged Aluminum\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWheel Design: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMotorsport Multi-Spoke\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpoke Construction: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eExtensive Weight-Reduction Machining\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eProfile: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eConcave\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFactory Porsche Centerlock Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFactory Carbon-Ceramic Brake Clearance: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM TPMS Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFive-Lug Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFront Axle Compatibility: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCountry of Manufacture: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGermany\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSold As: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSingle Rear Wheel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePremium one-piece forged aluminum construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e delivers exceptional strength and structural rigidity while minimizing unnecessary wheel mass.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMotorsport-derived FI-R Evo design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e incorporates extensive spoke machining and advanced structural optimization for demanding high-performance applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApplication-specific 21x13 ET31 fitment\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is engineered for the rear axle of the Porsche 992 GT3 RS.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFactory-compatible centerlock mounting\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e integrates with the original Porsche single-nut hub system without requiring a five-lug conversion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReduced unsprung and rotational mass\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e supports responsive suspension behavior, precise steering characteristics, and improved chassis control.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIndividual wheel availability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides a convenient replacement or spare-wheel solution without requiring the purchase of a complete four-wheel set.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BBS","offers":[{"title":"Diamond Black","offer_id":67885185433920,"sku":"BBSFI218DB","price":3200.0,"currency_code":"USD","in_stock":true},{"title":"Diamond Silver","offer_id":67885185466688,"sku":"BBSFI218DS","price":3200.0,"currency_code":"USD","in_stock":true},{"title":"Citrine Gold","offer_id":67885185499456,"sku":"BBSFI218CG","price":3200.0,"currency_code":"USD","in_stock":true},{"title":"Matte Black","offer_id":67885185532224,"sku":"BBSFI218MB","price":3200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/7587\/4624\/files\/e4d7fe9e7f5ef817e426ea62f2ff504aL.jpg?v=1793098996","url":"https:\/\/www.forzamotorworks.com\/products\/bbs-fi-r-evo-21x13-0-centerlock-et31-wheel-porsche-992-gt3-rs","provider":"Forza Motor Works","version":"1.0","type":"link"}