{"product_id":"29er-carbon-mtb-rim-23mm-inner-width-295g-superlight-cyclocross-all-mountain","title":"29er Carbon MTB Rim 23mm Inner Width | 295g Superlight | Cyclocross \u0026 All-Mountain","description":"\u003ch2\u003e29er Carbon MTB Rim — 23mm Inner Width, U-Shape Profile\u003c\/h2\u003e\u003cp\u003eA \u003cstrong\u003e23mm inner width, U-shape carbon rim\u003c\/strong\u003e engineered for 29-inch cyclocross and all-mountain (AM) riding. Available in two weight options — \u003cstrong\u003eStandard (355 ± 10 g)\u003c\/strong\u003e and \u003cstrong\u003eSuperlight (295 ± 10 g)\u003c\/strong\u003e — it delivers a measurable weight advantage over comparable alloy rims (typically 450–550 g) without sacrificing structural integrity. Maximum rider weight: 100 kg. Recommended tire pressure: 45–65 psi.\u003c\/p\u003e\u003ch2\u003eCore Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e29er (622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Profile\u003c\/td\u003e\n\u003ctd\u003eU-Shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e589 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Standard\u003c\/td\u003e\n\u003ctd\u003e355 ± 10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight — Superlight\u003c\/td\u003e\n\u003ctd\u003e295 ± 10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 300 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 50 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 280 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Equilibrium\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 3 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 mm (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Angle\u003c\/td\u003e\n\u003ctd\u003eLeft 5° \/ Right 7° (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tire Pressure\u003c\/td\u003e\n\u003ctd\u003e45 \/ 65 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003ePerformance by Riding Discipline\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCyclocross:\u003c\/strong\u003e The low 23 mm rim height reduces wind resistance during technical, high-cadence course sections. The U-shape profile provides predictable tire seating for rapid pressure changes between mud and hardpack surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Mountain (AM):\u003c\/strong\u003e A 23 mm inner width supports trail tires from 2.2″ to 2.6″, optimizing casing spread for improved cornering contact patch and reduced pinch-flat risk at lower pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall \u0026amp; Medium Cycling Brands \/ OEM:\u003c\/strong\u003e Custom hole diameters, nipple angles, spoke counts, and finish options available. Contact us for MOQ and lead-time details.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWeight Tradeoff: Standard vs. Superlight\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSuperlight variant (295 ± 10 g)\u003c\/strong\u003e offers a 60 g reduction per rim — approximately 120 g per wheelset — which is measurable in timed climbs and acceleration. The \u003cstrong\u003eStandard variant (355 ± 10 g)\u003c\/strong\u003e is the recommended choice for riders prioritizing long-term durability under sustained loads or frequent impacts, without a significant performance penalty.\u003c\/p\u003e\u003ch2\u003eWarranty \u0026amp; Quality Assurance\u003c\/h2\u003e\u003cp\u003eEvery rim is backed by a \u003cstrong\u003e3-year manufacturer warranty\u003c\/strong\u003e. Produced by a carbon fiber rim specialist with over a decade of supply experience to professional cycling teams and brands across Europe and North America.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the best lightweight carbon 29er MTB rim for cyclocross?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis rim's 23 mm height minimizes aerodynamic drag in variable cyclocross conditions, while the Superlight option at 295 g delivers one of the lowest weight-per-strength ratios in this rim class. The U-shape profile ensures consistent tubeless or clincher tire seating across surface transitions.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a sub-300 g carbon 29er rim worth it?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAt 295 ± 10 g (Superlight), the weight saving versus the Standard (355 ± 10 g) is 60 g per rim. For competitive XC or cyclocross riders where rotational weight directly affects acceleration, this is a meaningful gain. For AM riders prioritizing impact resilience, the Standard variant offers the better durability-to-weight balance.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat inner rim width is best for 29er trail or all-mountain riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA 23 mm inner width is compatible with 2.2″–2.6″ tires, the most common range for trail and AM riding. This width optimizes tire casing spread, improving cornering traction and lowering the effective minimum pressure before pinch-flat risk increases.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCarbon vs. alloy 29er rims for cyclocross — which is better for the price?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eCarbon rims in this category typically weigh 295–380 g versus 450–550 g for quality alloy equivalents. The weight and stiffness advantages favor carbon for competitive use. This rim is manufactured at scale with direct OEM pricing, closing the traditional carbon-to-alloy cost gap for brands and team buyers.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat specs should I look for in a 29er carbon rim for all-mountain riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eKey specs for AM use: inner width ≥ 23 mm for tire support, spoke hole tension tolerance \u0026gt; 250 kg for build durability, dynamic equilibrium \u0026lt; 3 g for smooth high-speed rolling, and flatness tolerance \u0026lt; 0.2 mm for consistent brake track performance. This rim meets or exceeds all four thresholds.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"29er lightweight carbon mtb rim 23mm high 23mm wide for cyclocross or AM bola\",\n  \"description\": \"29er Carbon MTB Rim — 23mm Inner Width, U-Shape Profile A 23mm inner width, U-shape carbon rim engineered for 29-inch cyclocross and all-mountain (AM) riding. Available in two weight options — Standard (355 ± 10 g) and Superlight (295 ± 10 g) — it delivers a measurable weight advantage over comparable alloy rims (typically 450–550 g) without sacrificing structural integrity. Maximum rider weight: 100 kg. Recommended tire pressure: 45–65 psi. Core Specifications Specification Value Wheel Size 29er (622mm BSD) Rim Profile U-Shape Rim Height 23 mm Outer Width 28 mm Inner Width 23 mm ERD 589 mm Weight — Standard 355 ± 10 g Weight — Superlight 295 ± 10 g Forward Compressive Strength \u0026gt; 300 kg Lateral Torsion \u0026gt; 50 kg Spoke Hole Tension \u0026gt; 280 kg Dynamic Equilibrium \u0026lt; 3 g Flatness Tolerance \u0026lt; 0.15 mm Roundness Tolerance \u0026lt; 0.3 mm Assembly Hole Diameter 7.5 mm (customizable) Valve Hole Diameter 6.5 mm (customizable) Spoke Hole Diameter 4.5 mm (customizable) Nipple Angle Left 5° \/ Right 7° (customizable) Min \/ Max Tire Pressure 45 \/ 65 psi Max Rider Weight 100 kg Performance by Riding Discipline Cyclocross: The low 23 mm rim height reduces wind resistance during technical, high-cadence course sections. The U-shape profile provides predictable tire seating for rapid pressure changes between mud and hardpack surfaces. All-Mountain (AM): A 23 mm inner width supports trail tires from 2.2″ to 2.6″, optimizing casing spread for improved cornering contact patch and reduced pinch-flat risk at lower pressures. Small \u0026 Medium Cycling Brands \/ OEM: Custom hole diameters, nipple angles, spoke counts, and finish options available. Contact us for MOQ and lead-time details. Weight Tradeoff: Standard vs. Superlight The Superlight variant (295 ± 10 g) offers a 60 g reduction per rim — approximately 120 g per wheelset — which is measurable in timed climbs and acceleration. The Standard variant (355 ± 10 g) is the recommended choice for riders prioritizing long-term durability under sustained loads or frequent impacts, without a significant performance penalty. Warranty \u0026 Quality Assurance Every rim is backed by a 3-year manufacturer warranty . Produced by a carbon fiber rim specialist with over a decade of supply experience to professional cycling teams and brands across Europe and North America. Frequently Asked Questions What is the best lightweight carbon 29er MTB rim for cyclocross? This rim's 23 mm height minimizes aerodynamic drag in variable cyclocross conditions, while the Superlight option at 295 g delivers one of the lowest weight-per-strength ratios in this rim class. The U-shape profile ensures consistent tubeless or clincher tire seating across surface transitions. Is a sub-300 g carbon 29er rim worth it? At 295 ± 10 g (Superlight), the weight saving versus the Standard (355 ± 10 g) is 60 g per rim. For competitive XC or cyclocross riders where rotational weight directly affects acceleration, this is a meaningful gain. For AM riders prioritizing impact resilience, the Standard variant offers the better durability-to-weight balance. What inner rim width is best for 29er trail or all-mountain riding? A 23 mm inner width is compatible with 2.2″–2.6″ tires, the most common range for trail and AM riding. This width optimizes tire casing spread, improving cornering traction and lowering the effective minimum pressure before pinch-flat risk increases. Carbon vs. alloy 29er rims for cyclocross — which is better for the price? Carbon rims in this category typically weigh 295–380 g versus 450–550 g for quality alloy equivalents. The weight and stiffness advantages favor carbon for competitive use. This rim is manufactured at scale with direct OEM pricing, closing the traditional carbon-to-alloy cost gap for brands and team buyers. What specs should I look for in a 29er carbon rim for all-mountain riding? Key specs for AM use: inner width ≥ 23 mm for tire support, spoke hole tension tolerance \u0026gt; 250 kg for build durability, dynamic equilibrium \u0026lt; 3 g for smooth high-speed rolling, and flatness tolerance \u0026lt; 0.2 mm for consistent brake track performance. 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