{"product_id":"29er-asymmetric-carbon-mtb-rim-30mm-height-30mm-inner-width-freeride-enduro","title":"29er Asymmetric Carbon MTB Rim | 30mm Height, 30mm Inner Width | Freeride \u0026 Enduro","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003e29er Asymmetric Carbon Freeride Rim: Performance Meets Durability\u003c\/h2\u003e\n\u003cp\u003eA high-performance asymmetric carbon fiber mountain bike rim engineered for 29-inch freeride, enduro, and aggressive trail applications. Available in standard (455 ±10g) and superlight (385 ±10g) layups, with a 30mm inner width optimized for 2.3–2.6\" tires and a U-shaped profile that balances lateral stiffness with vertical compliance.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Size\u003c\/td\u003e\n\u003ctd\u003e29er (622mm BSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eAsymmetric U-shape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e579mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Standard)\u003c\/td\u003e\n\u003ctd\u003e455 ±10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Superlight)\u003c\/td\u003e\n\u003ctd\u003e385 ±10g per rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForward Compressive Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;300kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLateral Torsion\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;50kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Tension\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;280kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Equilibrium\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction\u003c\/td\u003e\n\u003ctd\u003eLeft 5° \/ Right 7° (or customized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5mm (or customized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5mm (or customized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5mm (or customized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Pressure Range\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\u003e100kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy Asymmetric Design?\u003c\/h2\u003e\n\u003cp\u003eThe asymmetric spoke-bed offset redistributes spoke tension more evenly between drive-side and non-drive-side spokes. On a standard symmetric rim, drive-side spokes carry significantly higher tension, accelerating fatigue and increasing the risk of spoke breakage on high-torque trail riding. The asymmetric geometry reduces this imbalance, improving wheel durability and long-term trueness under load — a measurable advantage for freeride and enduro disciplines where repeated hard landings are the norm.\u003c\/p\u003e\n\u003ch2\u003e30mm Inner Width: Use-Case Context\u003c\/h2\u003e\n\u003cp\u003eA 30mm internal width is optimized for 2.3–2.5\" MTB tires, providing a stable casing base that reduces sidewall squirm under hard cornering. Compared to a narrower 25mm rim, the wider bed lowers the effective tire pressure needed for traction while maintaining casing integrity. \u003cem\u003eNote: Riders using tires wider than 2.6\" may benefit from a 35mm inner width rim; contact us to discuss the right option for your build.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eCustomization Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpoke hole count: configurable to rider and build requirements\u003c\/li\u003e\n\u003cli\u003eHole diameters: valve, spoke, and assembly holes all customizable\u003c\/li\u003e\n\u003cli\u003eNipple angle: Left 5° \/ Right 7° standard; custom angles available\u003c\/li\u003e\n\u003cli\u003eBranding: OEM\/private label available for cycling brands and teams\u003c\/li\u003e\n\u003cli\u003eSuperlight layup: 385 ±10g option for weight-sensitive XC\/enduro builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Warranty\u003c\/h2\u003e\n\u003cp\u003eManufactured under ISO-compliant production processes with over a decade of supply experience to cycling brands in Europe and North America. Every rim undergoes dynamic equilibrium testing (\u0026lt;3g tolerance) and flatness verification (\u0026lt;0.15mm) before dispatch. Backed by a \u003cstrong\u003e3-year warranty\u003c\/strong\u003e against manufacturing defects.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this rim tubeless-compatible?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe hookless U-shape profile is designed for tubeless-ready (TR) tire systems. Ensure your tire is rated for hookless rims and does not exceed 65 psi maximum inflation pressure.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tire width works best with a 30mm inner width rim?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis rim is optimized for 2.3–2.6\" MTB tires. A 30mm inner width provides an ETRTO-compliant mounting base for this tire range, balancing sidewall support and volume.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does 385g compare to other lightweight 29er carbon MTB rims?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe superlight layup at 385 ±10g places this rim in the competitive range for carbon 29er enduro rims, which typically span 360–430g depending on width and height profile.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan I use this rim for aggressive freeride or jump riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The forward compressive strength (\u0026gt;300kg) and spoke hole tension resistance (\u0026gt;280kg) are rated for the high-impact loads associated with freeride and jump disciplines, within the 100kg rider weight limit.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs OEM or private label available?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. We supply small to medium cycling brands and professional teams with OEM and private-label options. Contact us to discuss minimum order quantities and customization scope.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInnovative Design for Enhanced Strength and Stability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 29er asymmetric carbon freeride rim is crafted with precision to enhance both strength and stability in demanding mountain biking environments. Its asymmetric design balances spoke tension more efficiently, resulting in improved wheel durability and ride quality. With a 30mm height and 30mm inner width, this rim offers a perfect platform for wider tires, providing superior traction and control on rough terrain. This design is particularly suited for freeride and enduro riders seeking a reliable, robust rim that withstands heavy impacts and rough trails without compromising weight or performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Carbon Construction for Optimal Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eConstructed from high-grade carbon fiber, the 29er asymmetric carbon freeride rim delivers exceptional strength-to-weight ratio. The choice of carbon ensures the rim remains lightweight, making it easier to accelerate and maneuver on technical trails. The material also absorbs vibrations effectively, enhancing rider comfort during long freeride or enduro sessions. This rim’s carbon build not only improves responsiveness but also increases fatigue resistance, providing MTB enthusiasts a durable and high-performing rim for aggressive riding styles.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eCompatibility and Versatility for Freeride and Enduro Bikes\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned to meet the needs of freeride and enduro mountain biking, this 29er rim accommodates tubeless tire setups effortlessly, enhancing puncture resistance and overall performance. Its 30mm inner width supports a range of tire sizes, giving riders flexibility to customize their setup depending on trail conditions. Whether tackling steep descents or navigating rocky paths, this rim’s compatibility with modern MTB hubs and tires ensures a secure fit and reliable performance. Ideal for riders who demand both resilience and versatility, this rim is a premium choice for serious mountain bikers.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 28\/28 \/ Normal","offer_id":48126797644030,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 28\/28 \/ Superlight","offer_id":48126797676798,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Normal","offer_id":48126797709566,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 32\/32 \/ Superlight","offer_id":48126797742334,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Normal","offer_id":48126797775102,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48126797807870,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Normal","offer_id":48126797840638,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 28\/28 \/ Superlight","offer_id":48126797873406,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Normal","offer_id":48126797906174,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 32\/32 \/ Superlight","offer_id":48126797938942,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Normal","offer_id":48126797971710,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48126798004478,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Normal","offer_id":48126798037246,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 28\/28 \/ Superlight","offer_id":48126798070014,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Normal","offer_id":48126798102782,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 32\/32 \/ Superlight","offer_id":48126798135550,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Normal","offer_id":48126798168318,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48126798201086,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Normal","offer_id":48126798233854,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 28\/28 \/ Superlight","offer_id":48126798266622,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Normal","offer_id":48126798299390,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 32\/32 \/ Superlight","offer_id":48126798332158,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Normal","offer_id":48126798364926,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48126798397694,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/hook_carbon_rims.jpg?v=1780298357","url":"https:\/\/bolacarbon.com\/products\/29er-asymmetric-carbon-mtb-rim-30mm-height-30mm-inner-width-freeride-enduro","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}