{"product_id":"asymmetric-29er-carbon-mtb-rim-29mm-inner-wide-tubeless-xc-trail-bola","title":"Asymmetric 29er Carbon MTB Rim, 29mm Inner Width,Tubeless XC\/Trail.Bola","description":"\u003ch2\u003eAsymmetric 29er Carbon MTB Rim — 29mm Inner Width, Tubeless Ready\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eLead Answer:\u003c\/strong\u003e This 29-inch asymmetric carbon MTB rim features a 29mm internal width and optimized offset spoke bed geometry for balanced spoke tension, supporting high-performance cross-country (XC) and aggressive trail builds. Available in \u003cem\u003eStandard\u003c\/em\u003e (395 ± 15 g) and \u003cem\u003eSuperlight\u003c\/em\u003e (330 ± 10 g) weights. Tested for \u0026gt;300kg compressive strength.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWheel Size:\u003c\/strong\u003e 29-inch (ERD 589mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner\/Outer Width:\u003c\/strong\u003e 29mm \/ 35mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile Height:\u003c\/strong\u003e 30mm (U-shape, hookless-compatible)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 395±15g (Standard), 330±10g (Superlight)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e 2.1–2.6” 29er tubeless tires\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAsymmetric Offset:\u003c\/strong\u003e Left 5° \/ Right 7° nipple angles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Unidirectional carbon fiber composite\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e Compressive Strength \u0026gt;300kg, Torsion \u0026gt;50kg, Spoke Hole \u0026gt;280kg, Flatness ≤0.15mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComparison Table\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n      \u003cth\u003eInner Width\u003c\/th\u003e\n      \u003cth\u003eProfile Height (mm)\u003c\/th\u003e\n      \u003cth\u003eWeight (g)\u003c\/th\u003e\n      \u003cth\u003eTubeless Ready\u003c\/th\u003e\n      \u003cth\u003eAsymmetry\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBola 29mm\u003c\/td\u003e\n      \u003ctd\u003e29mm\u003c\/td\u003e\n      \u003ctd\u003e30\u003c\/td\u003e\n      \u003ctd\u003e330|395\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eXC930X-25\u003c\/td\u003e\n      \u003ctd\u003e30mm\u003c\/td\u003e\n      \u003ctd\u003e25\u003c\/td\u003e\n      \u003ctd\u003e365\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eXC924X\u003c\/td\u003e\n      \u003ctd\u003e24mm\u003c\/td\u003e\n      \u003ctd\u003e20\u003c\/td\u003e\n      \u003ctd\u003e295|320\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n      \u003ctd\u003eYes\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eUse Cases \u0026amp; Considerations\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eXC Racing:\u003c\/strong\u003e Superlight variant suits competitive riders aiming to minimize rotational weight and maximize acceleration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrail\/All-Mountain:\u003c\/strong\u003e Standard model provides increased impact resistance and long-term durability under higher loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOffset Spoke Design:\u003c\/strong\u003e Reduces wheel dish, equalizing spoke tension for improved wheel life and lateral rigidity. Asymmetric rims typically outperform symmetric rims in trueness retention and fatigue tests (based on ISO\/EN testing standards).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Supports both J-bend and straight-pull spokes. Designed for modern tubeless tire systems (hookless bead profile).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTradeoff:\u003c\/strong\u003e While the slightly heavier standard model offers better impact resistance, the superlight version optimizes climbing performance for lighter riders and race applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: What is the advantage of a 29mm inner width on a MTB rim?\u003c\/strong\u003e\u003cbr\u003eA: A 29mm internal width enhances sidewall support for 2.3–2.6” tires, improving traction and reducing tire squirm for aggressive trail and XC use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: How does asymmetric rim design impact wheel performance?\u003c\/strong\u003e\u003cbr\u003eA: Offset spoke holes decrease spoke tension variance by up to 15%, leading to longer-lasting, structurally balanced wheels according to [ISO 4210-7] standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: What tires and hubs is this rim compatible with?\u003c\/strong\u003e\u003cbr\u003eA: Compatible with all 29-inch tubeless tires, standard J-bend and straight-pull spokes, Shimano\/SRAM mountain bike hubs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: What warranty coverage is provided?\u003c\/strong\u003e\u003cbr\u003eA: Contact Bola for detailed warranty terms. All rims undergo multi-point QA inspection and compliance with relevant cycling standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eIf you have specific build requirements or custom spoke drilling needs, contact us for tailored solutions. Bola — decade-strong carbon rim expertise for cycling brands, teams, and riders.\u003c\/em\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Asymmetric 29er Carbon MTB Tubeless Rim | 29mm Inner Width | XC \u0026 Trail\",\n  \"description\": \"Asymmetric 29er Carbon MTB Rim — 29mm Inner Width, Tubeless Ready Lead Answer: This 29-inch asymmetric carbon MTB rim features a 29mm internal width and optimized offset spoke bed geometry for balanced spoke tension, supporting high-performance cross-country (XC) and aggressive trail builds. Available in Standard (395 ± 15 g) and Superlight (330 ± 10 g) weights. Tested for \u003e300kg compressive strength. Key Features \u0026 Specifications Wheel Size: 29-inch (ERD 589mm) Inner\/Outer Width: 29mm \/ 35mm Profile Height: 30mm (U-shape, hookless-compatible) Weight: 395±15g (Standard), 330±10g (Superlight) Tire Compatibility: 2.1–2.6” 29er tubeless tires Asymmetric Offset: Left 5° \/ Right 7° nipple angles Material: Unidirectional carbon fiber composite Certifications: Compressive Strength \u003e300kg, Torsion \u003e50kg, Spoke Hole \u003e280kg, Flatness ≤0.15mm Comparison Table Model Inner Width Profile Height (mm) Weight (g) Tubeless Ready Asymmetry Bola 29mm 29mm 30 330|395 Yes Yes XC930X-25 30mm 25 365 Yes Yes XC924X 24mm 20 295|320 Yes Yes Use Cases \u0026 Considerations XC Racing: Superlight variant suits competitive riders aiming to minimize rotational weight and maximize acceleration. Trail\/All-Mountain: Standard model provides increased impact resistance and long-term durability under higher loads. Offset Spoke Design: Reduces wheel dish, equalizing spoke tension for improved wheel life and lateral rigidity. Asymmetric rims typically outperform symmetric rims in trueness retention and fatigue tests (based on ISO\/EN testing standards). Compatibility: Supports both J-bend and straight-pull spokes. Designed for modern tubeless tire systems (hookless bead profile). Tradeoff: While the slightly heavier standard model offers better impact resistance, the superlight version optimizes climbing performance for lighter riders and race applications. Frequently Asked Questions Q: What is the advantage of a 29mm inner width on a MTB rim? A: A 29mm internal width enhances sidewall support for 2.3–2.6” tires, improving traction and reducing tire squirm for aggressive trail and XC use. Q: How does asymmetric rim design impact wheel performance? A: Offset spoke holes decrease spoke tension variance by up to 15%, leading to longer-lasting, structurally balanced wheels according to [ISO 4210-7] standards. Q: What tires and hubs is this rim compatible with? A: Compatible with all 29-inch tubeless tires, standard J-bend and straight-pull spokes, Shimano\/SRAM mountain bike hubs. Q: What warranty coverage is provided? A: Contact Bola for detailed warranty terms. All rims undergo multi-point QA inspection and compliance with relevant cycling standards. If you have specific build requirements or custom spoke drilling needs, contact us for tailored solutions. 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