{"product_id":"bola-700c-50mm-carbon-road-rim-34mm-wide-28mm-inner-width-tubeless-ready","title":"Bola 700c 50mm Carbon Road Rim – 34mm Wide, 28mm Inner, Tubeless Ready, Disc","description":"\u003cp\u003eThe Bola 700c 50mm Carbon Road Rim with 34mm outer and 28mm inner width is optimized for racing, endurance, and high-speed performance, supporting 25–32mm tubeless or clincher tires for advanced traction and aerodynamic efficiency at competitive speeds. This disc brake-specific rim features high-modulus carbon fiber construction, verified weights (370–445g by grade), and robust fatigue-tested tolerances, aligning with professional standards for small to medium cycling brands, teams, and experienced riders.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Diameter:\u003c\/strong\u003e 700c (ISO 622mm BSD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile Height:\u003c\/strong\u003e 50mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Width:\u003c\/strong\u003e 34mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInner Width:\u003c\/strong\u003e 28mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffective Rim Diameter (ERD):\u003c\/strong\u003e 538mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRim Shape:\u003c\/strong\u003e U profile (hooked, disc brake only)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValve Hole:\u003c\/strong\u003e 6.5mm (customizable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpoke Hole:\u003c\/strong\u003e 4.5mm (customizable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNipple Angle (Front\/Rear):\u003c\/strong\u003e 7° (front), 5° or 7° (rear; customizable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 370–445g per rim, dependent on layup grade\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Pressure:\u003c\/strong\u003e 100–125 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRider Weight Limit:\u003c\/strong\u003e ≤120kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-modulus carbon fiber, UV-cure resin\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAerodynamics \u0026amp; Tire Fit Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eOuter Width\u003c\/th\u003e\n\u003cth\u003eBest for Tire Size\u003c\/th\u003e\n\u003cth\u003eUse-case\u003c\/th\u003e\n\u003cth\u003eAero Advantage\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003ctd\u003e28–32mm\u003c\/td\u003e\n\u003ctd\u003eRoad racing, Endurance\u003c\/td\u003e\n\u003ctd\u003eMinimizes air separation for wider tires at \u0026gt;35km\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e25–28mm\u003c\/td\u003e\n\u003ctd\u003eClimbing, Weight savings\u003c\/td\u003e\n\u003ctd\u003eOptimal for narrower tires and short sprints\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility \u0026amp; Use-Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with both clincher and tubeless tires (use 30mm rim tape for tubeless setup)\u003c\/li\u003e\n  \u003cli\u003eEngineered for modern disc-brake road\/gravel bikes\u003c\/li\u003e\n  \u003cli\u003eSupports 25–32mm tires for versatility across road and light gravel surfaces\u003c\/li\u003e\n  \u003cli\u003eCustom spoke hole count and private-label\/OEM capability available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality, Certifications \u0026amp; Testing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eForward Compressive Strength: \u0026gt;300kg\u003c\/li\u003e\n  \u003cli\u003eLateral Torsion Resistance: \u0026gt;50kg\u003c\/li\u003e\n  \u003cli\u003eSpoke Hole Tension: \u0026gt;280kg\u003c\/li\u003e\n  \u003cli\u003eDynamic Equilibrium: \u0026lt;3g imbalance\u003c\/li\u003e\n  \u003cli\u003eFlatness tolerance: \u0026lt;0.15mm\u003c\/li\u003e\n  \u003cli\u003eRoundness tolerance: \u0026lt;0.3mm\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\u003eIs a 50mm carbon road rim with 34mm outer width good for racing and endurance rides?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe Bola 50mm\/34mm rim blends aerodynamic efficiency at high speed and stability for wider tire setups, supporting both competitive racing and long-distance use. Tested fatigue strength and U-shape optimize performance for seasoned racers and endurance cyclists.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eHow does a 700c 50mm tubeless-ready carbon rim compare to a 45mm rim for performance?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eCompared to 45mm rims, the 50mm profile provides improved aerodynamic efficiency at speeds above 35km\/h, particularly with 28–32mm tires. However, 45mm rims offer slightly lower crosswind sensitivity and reduced weight (by approx. 20–30g), which can favor climbing and variable wind conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWill a 28mm inner width carbon rim fit 28mm gravel and road tires securely?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, the 28mm inner width safely accommodates 28mm gravel or road tires, providing optimal sidewall support and maximizing both tubeless sealing and ride stability. This width matches recent industry trends for broad-tire setups used in mixed-surface riding.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat are the benefits of using a lightweight 700c carbon rim for disc brakes?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eLightweight carbon construction reduces rotational mass for faster acceleration, while disc-specific engineering eliminates the compromise of a brake track, allowing superior fatigue testing, strength, and weight distribution without sacrificing durability or price point.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs a 50mm deep, 34mm wide carbon rim worth the price for competitive cyclists?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFor competitive cyclists prioritizing aerodynamic performance with modern wide tires (28mm+), this rim delivers a balance of wind-cheating profile, verified strength, and custom build specs uncommon at this price level—especially valuable for private label\/OEM or brand partners seeking proven durability and sustainable costs. Tradeoff: marginally higher profile weight, but with tested fatigue ratings and 3-year warranty for peace of mind.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Bola 700c 50mm Carbon Road Rim – 34mm Wide, 28mm Inner Width,Tubeless Ready\",\n  \"description\": \"The Bola 700c 50mm Carbon Road Rim with 34mm outer and 28mm inner width is optimized for racing, endurance, and high-speed performance, supporting 25–32mm tubeless or clincher tires for advanced traction and aerodynamic efficiency at competitive speeds. This disc brake-specific rim features high-modulus carbon fiber construction, verified weights (370–445g by grade), and robust fatigue-tested tolerances, aligning with professional standards for small to medium cycling brands, teams, and experienced riders. Technical Specifications Rim Diameter: 700c (ISO 622mm BSD) Profile Height: 50mm Outer Width: 34mm Inner Width: 28mm Effective Rim Diameter (ERD): 538mm Rim Shape: U profile (hooked, disc brake only) Valve Hole: 6.5mm (customizable) Spoke Hole: 4.5mm (customizable) Nipple Angle (Front\/Rear): 7° (front), 5° or 7° (rear; customizable) Weight: 370–445g per rim, dependent on layup grade Max Pressure: 100–125 psi Rider Weight Limit: ≤120kg Material: High-modulus carbon fiber, UV-cure resin Aerodynamics \u0026 Tire Fit Comparison Outer Width Best for Tire Size Use-case Aero Advantage 34mm 28–32mm Road racing, Endurance Minimizes air separation for wider tires at \u003e35km\/h 30mm 25–28mm Climbing, Weight savings Optimal for narrower tires and short sprints Compatibility \u0026 Use-Cases Works with both clincher and tubeless tires (use 30mm rim tape for tubeless setup) Engineered for modern disc-brake road\/gravel bikes Supports 25–32mm tires for versatility across road and light gravel surfaces Custom spoke hole count and private-label\/OEM capability available Quality, Certifications \u0026 Testing Forward Compressive Strength: \u003e300kg Lateral Torsion Resistance: \u003e50kg Spoke Hole Tension: \u003e280kg Dynamic Equilibrium: \u0026lt;3g imbalance Flatness tolerance: \u0026lt;0.15mm Roundness tolerance: \u0026lt;0.3mm Frequently Asked Questions Is a 50mm carbon road rim with 34mm outer width good for racing and endurance rides? The Bola 50mm\/34mm rim blends aerodynamic efficiency at high speed and stability for wider tire setups, supporting both competitive racing and long-distance use. Tested fatigue strength and U-shape optimize performance for seasoned racers and endurance cyclists. How does a 700c 50mm tubeless-ready carbon rim compare to a 45mm rim for performance? Compared to 45mm rims, the 50mm profile provides improved aerodynamic efficiency at speeds above 35km\/h, particularly with 28–32mm tires. However, 45mm rims offer slightly lower crosswind sensitivity and reduced weight (by approx. 20–30g), which can favor climbing and variable wind conditions. Will a 28mm inner width carbon rim fit 28mm gravel and road tires securely? Yes, the 28mm inner width safely accommodates 28mm gravel or road tires, providing optimal sidewall support and maximizing both tubeless sealing and ride stability. This width matches recent industry trends for broad-tire setups used in mixed-surface riding. What are the benefits of using a lightweight 700c carbon rim for disc brakes? Lightweight carbon construction reduces rotational mass for faster acceleration, while disc-specific engineering eliminates the compromise of a brake track, allowing superior fatigue testing, strength, and weight distribution without sacrificing durability or price point. Is a 50mm deep, 34mm wide carbon rim worth the price for competitive cyclists? For competitive cyclists prioritizing aerodynamic performance with modern wide tires (28mm+), this rim delivers a balance of wind-cheating profile, verified strength, and custom build specs uncommon at this price level—especially valuable for private label\/OEM or brand partners seeking proven durability and sustainable costs. Tradeoff: marginally higher profile weight, but with tested fatigue ratings and 3-year warranty for peace of mind.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"Carbon Road Bike Rim\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/wider_rims_aea6b287-5cdd-40ce-a632-85ed1739922a.png?v=1779090168\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/50tr34_5bf7d45c-248c-4f82-875b-82528c221b0f.jpg?v=1779090172\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/tubeless_2d236823-c069-4581-9a8b-1fc9dd7a0b4b.jpg?v=1779090176\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/surface_f1230322-3ddf-4fd0-b237-7adb3e4ce7e9.jpg?v=1779090182\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/redbola_8887e641-3de0-41c4-a66e-78e20cb4c614.jpg?v=1778894024\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitebola_b4d67109-868c-42a8-b0df-fde348a22fa0.jpg?v=1778894032\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/yellowbola_fc7a6a6f-184a-49ca-9fe0-5882f00cffe8.jpg?v=1778894039\"\n  ],\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"price\": \"260.00\",\n    \"priceCurrency\": \"USD\",\n    \"url\": \"https:\/\/bolacarbon.com\/products\/bola-700c-50mm-carbon-road-rim-34mm-wide-28mm-inner-width-tubeless-ready\",\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\": \"Is a 50mm carbon road rim with 34mm outer width good for racing and endurance rides?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Bola 50mm\/34mm rim blends aerodynamic efficiency at high speed and stability for wider tire setups, supporting both competitive racing and long-distance use. Tested fatigue strength and U-shape optimize performance for seasoned racers and endurance cyclists.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does a 700c 50mm tubeless-ready carbon rim compare to a 45mm rim for performance?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Compared to 45mm rims, the 50mm profile provides improved aerodynamic efficiency at speeds above 35km\/h, particularly with 28–32mm tires. However, 45mm rims offer slightly lower crosswind sensitivity and reduced weight (by approx. 20–30g), which can favor climbing and variable wind conditions.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 28mm inner width carbon rim fit 28mm gravel and road tires securely?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the 28mm inner width safely accommodates 28mm gravel or road tires, providing optimal sidewall support and maximizing both tubeless sealing and ride stability. This width matches recent industry trends for broad-tire setups used in mixed-surface riding.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are the benefits of using a lightweight 700c carbon rim for disc brakes?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Lightweight carbon construction reduces rotational mass for faster acceleration, while disc-specific engineering eliminates the compromise of a brake track, allowing superior fatigue testing, strength, and weight distribution without sacrificing durability or price point.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is a 50mm deep, 34mm wide carbon rim worth the price for competitive cyclists?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For competitive cyclists prioritizing aerodynamic performance with modern wide tires (28mm+), this rim delivers a balance of wind-cheating profile, verified strength, and custom build specs uncommon at this price level—especially valuable for private label\/OEM or brand partners seeking proven durability and sustainable costs. Tradeoff: marginally higher profile weight, but with tested fatigue ratings and 3-year warranty for peace of mind.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/20 \/ Standard","offer_id":48217068011774,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Superlight","offer_id":48217068044542,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Ultralight","offer_id":48217068077310,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Standard","offer_id":48217068110078,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Superlight","offer_id":48217068142846,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Ultralight","offer_id":48217068175614,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Standard","offer_id":48217068208382,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Superlight","offer_id":48217068241150,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ Customs \/ Ultralight","offer_id":48217068273918,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 20\/20 \/ Standard","offer_id":48217068306686,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 20\/20 \/ Superlight","offer_id":48217068339454,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 20\/20 \/ Ultralight","offer_id":48217068372222,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 24\/24 \/ Standard","offer_id":48217068404990,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 24\/24 \/ Superlight","offer_id":48217068437758,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 24\/24 \/ Ultralight","offer_id":48217068470526,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Standard","offer_id":48217068503294,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Superlight","offer_id":48217068536062,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ Customs \/ Ultralight","offer_id":48217068568830,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 20\/20 \/ Standard","offer_id":48217068601598,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 20\/20 \/ Superlight","offer_id":48217068634366,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 20\/20 \/ Ultralight","offer_id":48217068667134,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 24\/24 \/ Standard","offer_id":48217068699902,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 24\/24 \/ Superlight","offer_id":48217068732670,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ 24\/24 \/ Ultralight","offer_id":48217068765438,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Standard","offer_id":48217068798206,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Superlight","offer_id":48217068830974,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"Marble Matt \/ Customs \/ Ultralight","offer_id":48217068863742,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 20\/20 \/ Standard","offer_id":48217068896510,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 20\/20 \/ Superlight","offer_id":48217068929278,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 20\/20 \/ Ultralight","offer_id":48217068962046,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 24\/24 \/ Standard","offer_id":48217068994814,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 24\/24 \/ Superlight","offer_id":48217069027582,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 24\/24 \/ Ultralight","offer_id":48217069060350,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Standard","offer_id":48217069093118,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Superlight","offer_id":48217069125886,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ Customs \/ Ultralight","offer_id":48217069158654,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/wider_rims_aea6b287-5cdd-40ce-a632-85ed1739922a.png?v=1780298308","url":"https:\/\/bolacarbon.com\/ar\/products\/bola-700c-50mm-carbon-road-rim-34mm-wide-28mm-inner-width-tubeless-ready","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}