{"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\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\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\/table\u003e\n\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\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\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\n\u003ch3\u003eComparison: 18mm vs. 19mm Inner Width\u003c\/h3\u003e\n\u003ctable\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\/table\u003e\n\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\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\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"700C Carbon Clincher Rim 50mm Profile – 25mm Outer \/ 18mm Inner Width, U-Shape, 460g\",\n  \"description\": \"700C Carbon Clincher Rim – 50mm Aero Profile, 25mm Wide Summary: 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. Key Specifications Parameter Value Rim Size 700C Rim Shape U-Shape Profile Depth 50 mm Outer Width 25 mm Inner Width 18 mm Weight (Std\/Superlight) 460 ±15g \/ 420 ±10g ERD 539 mm Valve Hole 6.5 mm (Presta) Rider Weight Limit 100 kg Max Tire Pressure 125 psi Certified Performance \u0026 Tolerances Forward compressive strength: \u0026gt;300 kg (ISO Lab tested) Lateral torsion: \u0026gt;50 kg Spoke hole tension: \u0026gt;280 kg Dynamic equilibrium: \u0026lt;3g Flatness: \u0026lt;0.15mm, Roundness: \u0026lt;0.3mm tolerance Compatibility Fits 25–32mm clincher road tires (ETRTO standard) Not compatible with tubeless tires 6.5mm Presta valve stem hole 700C road bike frames Weight-optimized for competitive road cycling and team builds Use Cases \u0026 Tradeoffs Optimized for aerodynamic efficiency and stable handling in crosswinds 25mm outer width improves tire support over narrower 23mm rims; compatible with modern wide tire setups While not tubeless-ready, clincher design streamlines installation and fits common racing tires Superlight option (420g) offers lower weight, but reduces maximum load vs. standard (460g) build Comparison: 18mm vs. 19mm Inner Width Feature 18mm (This Rim) 19mm Internal Width 18mm 19mm Tire Options 25–32mm 28–35mm+ Aero Fit (28mm Tire) Good Maximized Rolling Resistance Low Lowest Weight Lower Slightly Higher FAQ Q: Can I use this 50mm rim with tubeless tires? A: This model is clincher only, not tubeless-ready. Use with clincher tires and tubes. Q: What tires work best on a 25mm outer width rim? A: 25–28mm clincher road tires (ETRTO standard) provide an optimal aero and handling balance. Q: What’s the rider weight limit? A: Maximum rider weight is 100kg as tested for compressive strength. Warranty: 3 years (manufacturing defects only; does not cover crash\/overload above weight limit). Manufactured with ISO-compliant testing in China. 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