{"product_id":"bola-ult-40r-700c-carbon-disc-road-gravel-wheels-40mm-28-30mm-wide-tubeless-1210g","title":"Bola ULT 40R 700C Carbon Disc Wheelset – 40mm Tubeless, 1210g, Road \u0026 Gravel","description":"\u003cp\u003eThe Bola ULT 40R 700C Carbon Disc Wheelset balances lightweight efficiency, aerodynamic 40mm profile, and robust tubeless-ready design for reliable performance on both road and gravel surfaces. Weighing a verified 1210g (±30g) and built with Toray T800 carbon fiber, this wheelset is engineered for cyclists seeking practical upgrade value, multi-scenario compatibility, and proven structural strength with REACH and ISO 4210-7 certification.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Material:\u003c\/strong\u003e T800 unidirectional matte carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheelset Weight:\u003c\/strong\u003e 1210g (±30g per set)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 40mm aerodynamic profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Rim Width:\u003c\/strong\u003e 28mm or 30mm options for optimized tire fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e Tubeless-ready; recommended for 28–48mm tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub System:\u003c\/strong\u003e TPI ceramic bearing hubs with 54T ratchet for responsive engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Sapim CX-Ray stainless steel (2x\/1x lacing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Support:\u003c\/strong\u003e 12x100mm (front) \u0026amp; 12x142mm (rear) thru-axle; QR compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e REACH compliant, ISO 4210-7 tested\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months (Bola global support)\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 ULT 40R\u003c\/th\u003e\n\u003cth\u003eTypical Performance Model (e.g., DT Swiss ARC 1100 DICUT 50)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Width\u003c\/td\u003e\n\u003ctd\u003e28\/30mm\u003c\/td\u003e\n\u003ctd\u003e20.1–28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (set)\u003c\/td\u003e\n\u003ctd\u003e1210g (±30g)\u003c\/td\u003e\n\u003ctd\u003e1421g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT800 carbon, UD matte\u003c\/td\u003e\n\u003ctd\u003eCarbon fiber, Aerodynamic profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003eTPI ceramic, 54T ratchet\u003c\/td\u003e\n\u003ctd\u003eDT Swiss hubs, Ratchet EXP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpokes\u003c\/td\u003e\n\u003ctd\u003eSapim CX-Ray (stainless)\u003c\/td\u003e\n\u003ctd\u003eAero steel, DT Aero Comp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Ready\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e24 months (Bola)\u003c\/td\u003e\n\u003ctd\u003e24 months (varies by brand)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eBola ULT 40R offers competitive weight and modern internal width at more accessible pricing—ideal for riders seeking high-value, broadly compatible carbon wheels without typical luxury brand premiums.\u003c\/p\u003e\n\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGravel racing and adventure rides requiring wider tires (28–48mm) and proven tubeless performance\u003c\/li\u003e\n\u003cli\u003eEndurance road events and training where lightweight and aerodynamic efficiency reduce rider fatigue\u003c\/li\u003e\n\u003cli\u003eMixed-terrain touring and gran fondos needing wheel strength and structural compliance on variable surfaces\u003c\/li\u003e\n\u003cli\u003eCost-effective wheel upgrades for road, all-road, or gravel bikes with 12x100\/12x142mm thru-axles\u003c\/li\u003e\n\u003cli\u003eWholesale or OEM supply for bike shops and global resellers prioritizing competitive value and warranty support\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\u003eAre these 40mm carbon wheels suitable for both road and gravel?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes, Bola ULT 40R is engineered for versatile use across road and gravel cycling, supporting 28–48mm tires and durable tubeless setup. The 40mm rim depth combines aerodynamic efficiency with control on mixed surfaces.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eHow does the weight of 1210g compare to other carbon wheelsets?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAt 1210g per set (±30g), these wheels match or undercut the weight of many high-end competitors, offering rapid acceleration and reduced climbing effort without sacrificing structural reliability. Similar models from major brands typically weigh 1280–1420g for this rim depth.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWhat tire widths work best with 28mm or 30mm wide rim tubeless setups?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eFor a 28mm or 30mm external width rim, tires between 28mm and 48mm are optimal for secure tubeless fitting, balanced road contact, and greater comfort on varied surfaces. This range also fits most modern gravel and endurance road frames.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eIs the TPI ceramic bearing hub with 54T ratchet valuable for performance and durability?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe TPI ceramic bearing hubs with 54T ratchet in Bola ULT 40R deliver low rolling resistance and fast engagement, appreciated by riders who value smooth pedaling response and long-term reliability under demanding conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open\u003e\u003csummary\u003e\u003cstrong\u003eWill these wheels fit my bike with 12x100 and 12x142mm thru-axles?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eBola ULT 40R is compatible with both 12x100mm (front) and 12x142mm (rear) thru-axle standards and can also adapt to quick release systems—supporting the majority of modern road and gravel bike frames.\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 ULT 40R 700C Carbon Disc Wheelset – Road \u0026 Gravel, Tubeless, 40mm, 1210g\",\n  \"description\": \"The Bola ULT 40R 700C Carbon Disc Wheelset balances lightweight efficiency, aerodynamic 40mm profile, and robust tubeless-ready design for reliable performance on both road and gravel surfaces. Weighing a verified 1210g (±30g) and built with Toray T800 carbon fiber, this wheelset is engineered for cyclists seeking practical upgrade value, multi-scenario compatibility, and proven structural strength with REACH and ISO 4210-7 certification. Key Features \u0026 Specs Rim Material: T800 unidirectional matte carbon fiber Wheelset Weight: 1210g (±30g per set) Rim Depth: 40mm aerodynamic profile External Rim Width: 28mm or 30mm options for optimized tire fit Tire Compatibility: Tubeless-ready; recommended for 28–48mm tires Hub System: TPI ceramic bearing hubs with 54T ratchet for responsive engagement Spokes: Sapim CX-Ray stainless steel (2x\/1x lacing) Axle Support: 12x100mm (front) \u0026 12x142mm (rear) thru-axle; QR compatible Certifications: REACH compliant, ISO 4210-7 tested Warranty: 24 months (Bola global support) How it Compares Feature Bola ULT 40R Typical Performance Model (e.g., DT Swiss ARC 1100 DICUT 50) Rim Depth 40mm 50mm Rim Width 28\/30mm 20.1–28mm Weight (set) 1210g (±30g) 1421g Material T800 carbon, UD matte Carbon fiber, Aerodynamic profile Hub TPI ceramic, 54T ratchet DT Swiss hubs, Ratchet EXP Spokes Sapim CX-Ray (stainless) Aero steel, DT Aero Comp Tubeless Ready Yes Yes Warranty 24 months (Bola) 24 months (varies by brand) Bola ULT 40R offers competitive weight and modern internal width at more accessible pricing—ideal for riders seeking high-value, broadly compatible carbon wheels without typical luxury brand premiums. Recommended Use Cases Gravel racing and adventure rides requiring wider tires (28–48mm) and proven tubeless performance Endurance road events and training where lightweight and aerodynamic efficiency reduce rider fatigue Mixed-terrain touring and gran fondos needing wheel strength and structural compliance on variable surfaces Cost-effective wheel upgrades for road, all-road, or gravel bikes with 12x100\/12x142mm thru-axles Wholesale or OEM supply for bike shops and global resellers prioritizing competitive value and warranty support Frequently Asked Questions Are these 40mm carbon wheels suitable for both road and gravel? Yes, Bola ULT 40R is engineered for versatile use across road and gravel cycling, supporting 28–48mm tires and durable tubeless setup. The 40mm rim depth combines aerodynamic efficiency with control on mixed surfaces. How does the weight of 1210g compare to other carbon wheelsets? At 1210g per set (±30g), these wheels match or undercut the weight of many high-end competitors, offering rapid acceleration and reduced climbing effort without sacrificing structural reliability. Similar models from major brands typically weigh 1280–1420g for this rim depth. What tire widths work best with 28mm or 30mm wide rim tubeless setups? For a 28mm or 30mm external width rim, tires between 28mm and 48mm are optimal for secure tubeless fitting, balanced road contact, and greater comfort on varied surfaces. This range also fits most modern gravel and endurance road frames. Is the TPI ceramic bearing hub with 54T ratchet valuable for performance and durability? The TPI ceramic bearing hubs with 54T ratchet in Bola ULT 40R deliver low rolling resistance and fast engagement, appreciated by riders who value smooth pedaling response and long-term reliability under demanding conditions. Will these wheels fit my bike with 12x100 and 12x142mm thru-axles? 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