{"product_id":"32er-asymmetric-carbon-mtb-rim-30mm-height-30mm-inner-width-tubeless-ready-bola","title":"32er Asymmetric Carbon MTB Rim, 30mm IW, 30mm Height, Tubeless-Ready | BOLA","description":"\u003cp\u003eThe BOLA 32er Asymmetric Carbon MTB Rim is engineered for aggressive trail, enduro, and freeride riding on 32-inch wheel platforms (696mm BSD), supporting 2.3–2.8\" tires with a 30mm inner width for optimal stability and low-pressure performance. This asymmetric U-shaped rim corrects up to 15% spoke-tension imbalance, improving wheel strength and lateral stiffness in high-load corners. Available in standard (450g ±10g) and superlight (350g ±10g) carbon layups.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Size:\u003c\/strong\u003e 32er (696mm BSD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Height:\u003c\/strong\u003e 30mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Width:\u003c\/strong\u003e 36mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffective Rim Diameter (ERD):\u003c\/strong\u003e 652mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-modulus carbon fiber composite (Toray-grade UD + woven)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Asymmetric U-shape, tubeless-ready\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight Options:\u003c\/strong\u003e Standard 450g ±10g, Superlight 350g ±10g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Tire Widths:\u003c\/strong\u003e 2.3–2.8\" MTB tires\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrake Interface:\u003c\/strong\u003e Standard 6-bolt and Centerlock disc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications \u0026amp; Testing:\u003c\/strong\u003e Forward compressive strength \u0026gt;300kg; Spoke tension \u0026gt;280kg; Lateral torsion \u0026gt;50kg; Dynamic balance tolerance \u0026lt;3g; Flatness \u0026lt;0.15mm (internal QC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (structural)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eComparison Table\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eInternal Width\u003c\/th\u003e\n\u003cth\u003eRim Height\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eRim Size\u003c\/th\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBOLA 32er\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e350\/450g\u003c\/td\u003e\n\u003ctd\u003e32\" (696mm)\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEN932X\u003c\/td\u003e\n\u003ctd\u003e32mm\u003c\/td\u003e\n\u003ctd\u003e26mm\u003c\/td\u003e\n\u003ctd\u003e460g\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTR930X\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e390g\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAM930X\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e450g\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003ctd\u003eAsymmetric\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePerformance \u0026amp; Use-Cases\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnduro \u0026amp; Freeride:\u003c\/strong\u003e Asymmetric spoke bed reduces tension disparities, increasing wheel durability under aggressive cornering and heavy loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Tire Support:\u003c\/strong\u003e 30mm inner width optimizes support for 2.3–2.8 inch tires, offering greater lateral stability than 25–27mm rims. Ideal for low-pressure, high-traction riding.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperlight Option:\u003c\/strong\u003e 350g version targets weight-conscious racers needing low mass without compromising on impact test standards (\u0026gt;300kg compressive).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM\/Custom Builds:\u003c\/strong\u003e Custom hole drilling and branding available for small\/medium cycling brands and teams.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat is the best asymmetric carbon MTB rim for enduro and freeride?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFor demanding enduro\/freeride use, a rim with at least 30mm inner width, \u0026gt;300kg compressive strength, and tested lateral stiffness is optimal. The BOLA 32er offers these specs, plus asymmetric spoke drilling for improved wheel durability over symmetric options.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs 30mm inner width better than 25mm for aggressive trail riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, a 30mm inner width gives wider tires improved sidewall support, reducing squirm and increasing confidence at lower pressures versus a 25mm rim. This is especially beneficial for 2.4–2.8 inch tires in aggressive trail or enduro conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat are the advantages of an asymmetric carbon rim?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAn asymmetric rim offsets the spoke drilling, correcting left\/right tension imbalance common in disc brake wheels by up to 15%. This increases lateral stiffness, improves wheel lifespan, and maintains better trueness under high loads.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhich carbon rim should I choose for 2.6–2.8 inch tires on a 32er?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eSelect a rim with a 30mm or wider internal width. The BOLA 32er has a 30mm inner width that pairs well with 2.3–2.8\" tires, supporting proper tire shape and stability at low pressure.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs the 350g Superlight version strong enough for rough riding?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe BOLA 32er Superlight rim is independently tested to \u0026gt;300kg forward compressive and \u0026gt;50kg lateral torsion tolerances, suitable for competitive enduro and trail riding, though heavier riders or loaded bikepacking may prefer the 450g standard version for added margin.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"32er Asymmetric Carbon MTB Rim | 30mm Height, 30mm Inner Width | Tubeless-Ready | BOLA\",\n  \"description\": \"The BOLA 32er Asymmetric Carbon MTB Rim is engineered for aggressive trail, enduro, and freeride riding on 32-inch wheel platforms (696mm BSD), supporting 2.3–2.8\\\" tires with a 30mm inner width for optimal stability and low-pressure performance. This asymmetric U-shaped rim corrects up to 15% spoke-tension imbalance, improving wheel strength and lateral stiffness in high-load corners. Available in standard (450g ±10g) and superlight (350g ±10g) carbon layups. Key Specifications Rim Size: 32er (696mm BSD) Internal Width: 30mm Rim Height: 30mm Outer Width: 36mm Effective Rim Diameter (ERD): 652mm Material: High-modulus carbon fiber composite (Toray-grade UD + woven) Profile: Asymmetric U-shape, tubeless-ready Weight Options: Standard 450g ±10g, Superlight 350g ±10g Compatible Tire Widths: 2.3–2.8\\\" MTB tires Brake Interface: Standard 6-bolt and Centerlock disc Certifications \u0026 Testing: Forward compressive strength \u003e300kg; Spoke tension \u003e280kg; Lateral torsion \u003e50kg; Dynamic balance tolerance Warranty: 3 years (structural) Comparison Table Model Internal Width Rim Height Weight Rim Size Profile BOLA 32er 30mm 30mm 350\/450g 32\\\" (696mm) Asymmetric EN932X 32mm 26mm 460g 29\\\" Asymmetric TR930X 30mm 25mm 390g 29\\\" Asymmetric AM930X 30mm 25mm 450g 29\\\" Asymmetric Performance \u0026 Use-Cases Enduro \u0026 Freeride: Asymmetric spoke bed reduces tension disparities, increasing wheel durability under aggressive cornering and heavy loads. Wide Tire Support: 30mm inner width optimizes support for 2.3–2.8 inch tires, offering greater lateral stability than 25–27mm rims. Ideal for low-pressure, high-traction riding. Superlight Option: 350g version targets weight-conscious racers needing low mass without compromising on impact test standards (\u003e300kg compressive). OEM\/Custom Builds: Custom hole drilling and branding available for small\/medium cycling brands and teams. Frequently Asked Questions What is the best asymmetric carbon MTB rim for enduro and freeride? For demanding enduro\/freeride use, a rim with at least 30mm inner width, \u003e300kg compressive strength, and tested lateral stiffness is optimal. The BOLA 32er offers these specs, plus asymmetric spoke drilling for improved wheel durability over symmetric options. Is 30mm inner width better than 25mm for aggressive trail riding? Yes, a 30mm inner width gives wider tires improved sidewall support, reducing squirm and increasing confidence at lower pressures versus a 25mm rim. This is especially beneficial for 2.4–2.8 inch tires in aggressive trail or enduro conditions. What are the advantages of an asymmetric carbon rim? An asymmetric rim offsets the spoke drilling, correcting left\/right tension imbalance common in disc brake wheels by up to 15%. This increases lateral stiffness, improves wheel lifespan, and maintains better trueness under high loads. Which carbon rim should I choose for 2.6–2.8 inch tires on a 32er? Select a rim with a 30mm or wider internal width. The BOLA 32er has a 30mm inner width that pairs well with 2.3–2.8\\\" tires, supporting proper tire shape and stability at low pressure. Is the 350g Superlight version strong enough for rough riding? The BOLA 32er Superlight rim is independently tested to \u003e300kg forward compressive and \u003e50kg lateral torsion tolerances, suitable for competitive enduro and trail riding, though heavier riders or loaded bikepacking may prefer the 450g standard version for added margin.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"Carbon Mountain Bike Rim\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_wide_carbon_rims_06d7ba22-8510-43b2-adf6-723ae0d55488.png?v=1777519010\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/MTB36-30-29_999e2af1-cdf3-4ac0-8bf4-c502ada9a996.jpg?v=1776493147\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/1_61dd40fe-4d3d-46ba-9e40-acaac8b9845e.png?v=1776493151\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/hookless_c67208cf-a560-4186-95cf-661c89c9ea0a.jpg?v=1776493156\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/redbola_10d621e2-b669-4d10-8cff-9b8ee5ed7b2e.jpg?v=1776493164\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitebola_db33f109-976a-4254-8dc5-0d8113333cfd.jpg?v=1776493172\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/yellowbola_a5708686-4006-4f7b-8775-d343a61fa05d.jpg?v=1776493178\"\n  ],\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"price\": \"270.00\",\n    \"priceCurrency\": \"USD\",\n    \"url\": \"https:\/\/bolacarbon.com\/products\/32er-asymmetric-carbon-mtb-rim-30mm-height-30mm-inner-width-tubeless-ready-bola\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"https:\/\/bolacarbon.com\"\n    }\n  }\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the best asymmetric carbon MTB rim for enduro and freeride?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For demanding enduro\/freeride use, a rim with at least 30mm inner width, \u003e300kg compressive strength, and tested lateral stiffness is optimal. 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