{"product_id":"700c-carbon-clincher-rim-50mm-25mm-wide-u-shape-420-460g","title":"700C Carbon Clincher Rim 50mm, 25mm Wide, U-Shape, 420–460g","description":"\u003ch2\u003e700C Carbon Clincher Rim – 50mm Aero Profile, 25mm Wide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:\u003c\/strong\u003e Precision-engineered 700C full carbon clincher rim with 50mm aerodynamic profile, 25mm outer width, and 18mm inner width. Weighs 460g (standard) or 420g (superlight); supports up to 100kg rider weight. Designed for road cyclists and brands seeking lightweight, U-shaped rims for speed and controlled handling.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU-Shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile Depth\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Std\/Superlight)\u003c\/td\u003e\n\u003ctd\u003e460 ±15g \/ 420 ±10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e539 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole\u003c\/td\u003e\n\u003ctd\u003e6.5 mm (Presta)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider Weight Limit\u003c\/td\u003e\n\u003ctd\u003e100 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCertified Performance \u0026amp; Tolerances\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eForward compressive strength: \u0026gt;300 kg (ISO Lab tested)\u003c\/li\u003e\n\u003cli\u003eLateral torsion: \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003eSpoke hole tension: \u0026gt;280 kg\u003c\/li\u003e\n\u003cli\u003eDynamic equilibrium: \u0026lt;3g\u003c\/li\u003e\n\u003cli\u003eFlatness: \u0026lt;0.15mm, Roundness: \u0026lt;0.3mm tolerance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits 25–32mm clincher road tires (ETRTO standard)\u003c\/li\u003e\n\u003cli\u003eNot compatible with tubeless tires\u003c\/li\u003e\n\u003cli\u003e6.5mm Presta valve stem hole\u003c\/li\u003e\n\u003cli\u003e700C road bike frames\u003c\/li\u003e\n\u003cli\u003eWeight-optimized for competitive road cycling and team builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse Cases \u0026amp; Tradeoffs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptimized for aerodynamic efficiency and stable handling in crosswinds\u003c\/li\u003e\n\u003cli\u003e25mm outer width improves tire support over narrower 23mm rims; compatible with modern wide tire setups\u003c\/li\u003e\n\u003cli\u003eWhile not tubeless-ready, clincher design streamlines installation and fits common racing tires\u003c\/li\u003e\n\u003cli\u003eSuperlight option (420g) offers lower weight, but reduces maximum load vs. standard (460g) build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison: 18mm vs. 19mm Inner Width\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e18mm (This Rim)\u003c\/th\u003e\n\u003cth\u003e19mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e18mm\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Options\u003c\/td\u003e\n\u003ctd\u003e25–32mm\u003c\/td\u003e\n\u003ctd\u003e28–35mm+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAero Fit (28mm Tire)\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eMaximized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRolling Resistance\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003ctd\u003eLowest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003ctd\u003eSlightly Higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use this 50mm rim with tubeless tires?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA: This model is clincher only, not tubeless-ready. Use with clincher tires and tubes.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What tires work best on a 25mm outer width rim?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA: 25–28mm clincher road tires (ETRTO standard) provide an optimal aero and handling balance.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What’s the rider weight limit?\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eA: Maximum rider weight is 100kg as tested for compressive strength.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWarranty: 3 years (manufacturing defects only; does not cover crash\/overload above weight limit). Manufactured with ISO-compliant testing in China. Trusted by small and medium cycling brands across Europe\/North America.\u003c\/em\u003e\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/24 \/ Standard","offer_id":48122038780158,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/24 \/ Superlight","offer_id":48122038812926,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/24 \/ Ultralight","offer_id":48122038845694,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/24 \/ Extremelight","offer_id":48122038878462,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Standard","offer_id":48122038911230,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Superlight","offer_id":48122038943998,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ 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