{"product_id":"34mm-wide-carbon-road-gravel-rim-45mm-50mm-wave-rim-uv-shape-24-spoke-tubeless","title":"34mm Wide Carbon Disc Road\/Gravel Rim — 45mm \u0026 50mm Aero Depth, Tubeless Ready","description":"\u003cp\u003eEngineered for riders demanding reliable speed, stiffness, and versatility, the Bola 34mm wide carbon disc brake rim is optimized for modern road and gravel bikes. Available in 45mm and 50mm aerodynamic profiles, each rim is crafted from high-modulus carbon fiber and designed for tubeless setup, supporting 28–32mm tires to deliver balanced aerodynamic efficiency and ride comfort—ideal for competitive road racing, gravel adventures, and long-distance endurance rides.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Width:\u003c\/strong\u003e 34mm external, 25mm internal (optimized for 28–32mm tires)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile Heights:\u003c\/strong\u003e 45mm or 50mm aerodynamic U-shape, wave profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-modulus Toray carbon fiber with UV-cure resin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (Normal\/Superlight\/Ultra-light):\u003c\/strong\u003e 480±15g \/ 430±10g \/ 380±10g per rim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Compatibility:\u003c\/strong\u003e Disc brake only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Count:\u003c\/strong\u003e 24\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Tire Type:\u003c\/strong\u003e Tubeless and tubeless-ready clinchers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Rider Weight:\u003c\/strong\u003e 120kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eERD (Effective Rim Diameter):\u003c\/strong\u003e 539mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Pressure Range:\u003c\/strong\u003e 100–125 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting:\u003c\/strong\u003e Forward compressive strength \u0026gt;300kg; Lateral torsion resistance \u0026gt;50kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (manufacturing defects)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow it Compares\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBola 34mm Rim\u003c\/th\u003e\n\u003cth\u003ePerformance Competitor (E.g., Carbonal D23-50UL)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Width\u003c\/td\u003e\n\u003ctd\u003e34mm\u003c\/td\u003e\n\u003ctd\u003e26mm–28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e23mm–25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e45\/50mm\u003c\/td\u003e\n\u003ctd\u003e50mm–55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eToray high-modulus CF, UV-cure resin\u003c\/td\u003e\n\u003ctd\u003eT1000\/T800 CF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e380–480g\u003c\/td\u003e\n\u003ctd\u003e400–430g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Compatibility\u003c\/td\u003e\n\u003ctd\u003eDisc only\u003c\/td\u003e\n\u003ctd\u003eDisc or rim (varies)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Tire Size\u003c\/td\u003e\n\u003ctd\u003e32mm (optimal)\u003c\/td\u003e\n\u003ctd\u003e28mm (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003ctd\u003e2 years (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRoad cyclists seeking an aerodynamic upgrade for disc brake bikes\u003c\/li\u003e\n\u003cli\u003eEndurance and Gran Fondo riders prioritizing comfort and stability\u003c\/li\u003e\n\u003cli\u003eCompetitive racers needing lightweight, wide tubeless rims for improved speed and handling\u003c\/li\u003e\n\u003cli\u003eGravel enthusiasts requiring extra tire volume for rough terrain and mixed surfaces\u003c\/li\u003e\n\u003cli\u003eB2B bike shops and wheel builders sourcing versatile, cost-effective carbon rims for custom builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat tire sizes are optimal for the Bola 34mm wide rim?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis rim is optimized for 28–32mm road and gravel tires, balancing aerodynamics and comfort. Wider tires (up to 32mm) maximize stability and grip on varied surfaces.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhich rim height—45mm or 50mm—offers better aerodynamic benefits?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe 50mm profile improves aerodynamic efficiency at higher speeds and on open roads. The 45mm option offers comparable performance with a slight advantage in crosswind stability and weight savings—choose based on your terrain and riding priorities.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs lighter always better for carbon rims?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eLighter rims (down to 380g) offer faster acceleration and easier climbing, but extremely low weight may compromise impact resistance. Bola rims balance weight with strength and daily ride reliability, tested \u0026gt;300kg compressive strength to ensure safety in real-world use.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eAre wide carbon rims suitable for everyday road cycling or just racing?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWide carbon rims increase tire air volume, supporting lower tire pressures for improved comfort, grip, and tire safety in both daily rides and competitive scenarios. They are especially valued for longer rides, rougher pavement, and all-road versatility—not just racing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat certifications or testing does this rim meet?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eEach rim is tested in-house to \u0026gt;300kg forward compressive and \u0026gt;50kg lateral torsion resistance, with dynamic balance \u0026lt;3g, meeting rigorous quality control standards for reliability.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"34mm wide carbon road gravel rim 45mm 50mm wave rim uv shape 24 spoke tubeless\",\n  \"description\": \"Engineered for riders demanding reliable speed, stiffness, and versatility, the Bola 34mm wide carbon disc brake rim is optimized for modern road and gravel bikes. Available in 45mm and 50mm aerodynamic profiles, each rim is crafted from high-modulus carbon fiber and designed for tubeless setup, supporting 28–32mm tires to deliver balanced aerodynamic efficiency and ride comfort—ideal for competitive road racing, gravel adventures, and long-distance endurance rides. Key Features \u0026 Specs Rim Width: 34mm external, 25mm internal (optimized for 28–32mm tires) Profile Heights: 45mm or 50mm aerodynamic U-shape, wave profile Material: High-modulus Toray carbon fiber with UV-cure resin Weight (Normal\/Superlight\/Ultra-light): 480±15g \/ 430±10g \/ 380±10g per rim Brake Compatibility: Disc brake only Spoke Count: 24 Supported Tire Type: Tubeless and tubeless-ready clinchers Max Rider Weight: 120kg ERD (Effective Rim Diameter): 539mm Tire Pressure Range: 100–125 psi Testing: Forward compressive strength \u003e300kg; Lateral torsion resistance \u003e50kg Warranty: 3 years (manufacturing defects) How it Compares Feature Bola 34mm Rim Performance Competitor (E.g., Carbonal D23-50UL) External Width 34mm 26mm–28mm Internal Width 25mm 23mm–25mm Rim Depth 45\/50mm 50mm–55mm Material Toray high-modulus CF, UV-cure resin T1000\/T800 CF Weight 380–480g 400–430g Brake Compatibility Disc only Disc or rim (varies) Max Tire Size 32mm (optimal) 28mm (typical) Warranty 3 years 2 years (typical) Recommended Use Cases Road cyclists seeking an aerodynamic upgrade for disc brake bikes Endurance and Gran Fondo riders prioritizing comfort and stability Competitive racers needing lightweight, wide tubeless rims for improved speed and handling Gravel enthusiasts requiring extra tire volume for rough terrain and mixed surfaces B2B bike shops and wheel builders sourcing versatile, cost-effective carbon rims for custom builds Frequently Asked Questions What tire sizes are optimal for the Bola 34mm wide rim? This rim is optimized for 28–32mm road and gravel tires, balancing aerodynamics and comfort. Wider tires (up to 32mm) maximize stability and grip on varied surfaces. Which rim height—45mm or 50mm—offers better aerodynamic benefits? The 50mm profile improves aerodynamic efficiency at higher speeds and on open roads. The 45mm option offers comparable performance with a slight advantage in crosswind stability and weight savings—choose based on your terrain and riding priorities. Is lighter always better for carbon rims? Lighter rims (down to 380g) offer faster acceleration and easier climbing, but extremely low weight may compromise impact resistance. Bola rims balance weight with strength and daily ride reliability, tested \u003e300kg compressive strength to ensure safety in real-world use. Are wide carbon rims suitable for everyday road cycling or just racing? Wide carbon rims increase tire air volume, supporting lower tire pressures for improved comfort, grip, and tire safety in both daily rides and competitive scenarios. They are especially valued for longer rides, rougher pavement, and all-road versatility—not just racing. What certifications or testing does this rim meet? 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