{"product_id":"bola-ce-40r-carbon-disc-wheelset-700c-40mm-deep-28-30mm-wide-dt-swiss-hub-foil-carbon-spokes","title":"Bola CE 40R Carbon Disc Wheelset 700C – 40mm Deep, 28\/30mm Wide, DT Swiss OEM Hub, Foil Carbon Spokes, 1270g","description":"\u003cp\u003eThe Bola CE 40R Carbon Disc Wheelset 700C delivers balanced aerodynamics and stability for road and gravel riding with a 40mm deep T800 UD carbon rim, 28\/30mm external width, and DT Swiss OEM hub. Optimized for 28–32c tires, it weighs 1270g and supports both tubeless and clincher setups, providing an ideal upgrade for competitive cyclists requiring versatile performance and certified reliability.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Width:\u003c\/strong\u003e 28mm or 30mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 21mm or 24mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T800 UD matte carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1270g (excluding tape\/valves)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Foil carbon, straight-pull, 20 front (radial), 24 rear (2-cross)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub:\u003c\/strong\u003e DT Swiss OEM, 36T ratchet, Center Lock, 12x100\/12x142mm thru-axle or QR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e ISO 4210-7, REACH compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e Tubeless and clincher, optimized for 28–32c tires\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eComparison Table\u003c\/h2\u003e\n\u003ctable border=\"1\" style=\"width: 99.9801%; height: 137.18px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 25.3528%; height: 19.5972px;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"width: 33.2513%; height: 19.5972px;\"\u003eBola CE 40R\u003c\/th\u003e\n\u003cth style=\"width: 37.7982%; height: 19.5972px;\"\u003eCompetitor Example\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 25.3528%; height: 19.5972px;\"\u003eRim Depth\u003c\/td\u003e\n\u003ctd style=\"width: 33.2513%; height: 19.5972px;\"\u003e40mm\u003c\/td\u003e\n\u003ctd style=\"width: 37.7982%; height: 19.5972px;\"\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 25.3528%; height: 19.5972px;\"\u003eExternal Width\u003c\/td\u003e\n\u003ctd style=\"width: 33.2513%; height: 19.5972px;\"\u003e28\/30mm\u003c\/td\u003e\n\u003ctd style=\"width: 37.7982%; height: 19.5972px;\"\u003e28-30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 25.3528%; height: 19.5972px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 33.2513%; height: 19.5972px;\"\u003e1270g\u003c\/td\u003e\n\u003ctd style=\"width: 37.7982%; height: 19.5972px;\"\u003e1240–1350g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 25.3528%; height: 19.5972px;\"\u003eSpoke Type\u003c\/td\u003e\n\u003ctd style=\"width: 33.2513%; height: 19.5972px;\"\u003eFoil carbon\u003c\/td\u003e\n\u003ctd style=\"width: 37.7982%; height: 19.5972px;\"\u003eAero steel\/carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 25.3528%; height: 19.5972px;\"\u003eHub\u003c\/td\u003e\n\u003ctd style=\"width: 33.2513%; height: 19.5972px;\"\u003eDT Swiss OEM, 36T\u003c\/td\u003e\n\u003ctd style=\"width: 37.7982%; height: 19.5972px;\"\u003eRatchet\/Star Ratchet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 25.3528%; height: 19.5972px;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"width: 33.2513%; height: 19.5972px;\"\u003eISO 4210-7, REACH\u003c\/td\u003e\n\u003ctd style=\"width: 37.7982%; height: 19.5972px;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSituational Fit \u0026amp; Real-World Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWell-suited for competitive road and gravel cycling where aerodynamic stability and lightweight climbing are priorities.\u003c\/li\u003e\n\u003cli\u003eWide rim profiles support modern 28–32c tires, enabling optimal tire shape and grip on mixed surfaces.\u003c\/li\u003e\n\u003cli\u003eDT Swiss ratchet hub ensures fast engagement in technical courses and endurance rides.\u003c\/li\u003e\n\u003cli\u003eCertified quality and durability validated for professional use and demanding conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eAre 40mm deep carbon disc wheelsets good for both road and gravel riding?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the 40mm depth offers a balance of aerodynamic efficiency for road and stable handling for gravel. The 28\/30mm width supports 28–32c tires, making the Bola CE 40R suitable for both disciplines.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow do carbon wheels with foil spokes compare to traditional round spoke wheels?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eFoil carbon spokes reduce aerodynamic drag and rotational weight, providing improved speed and stability. They also enhance lateral stiffness compared to traditional round steel spokes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWill a 700C carbon wheelset with 28mm external width fit 28c and 32c tires?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, both 28mm and 30mm (external) rim widths are compatible with 28–32c tires, optimizing tire profile and ride comfort.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eAre lightweight carbon wheelsets under 1300g worth the investment for climbing?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eFor demanding climbs, sub-1300g carbon wheelsets like the Bola CE 40R significantly reduce rotational mass, aiding acceleration and efficiency on ascents according to verified customer reviews and peer competitor designs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat’s the benefit of DT Swiss OEM hub for carbon spoked wheelsets?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe DT Swiss OEM hub features a 36T ratchet system for fast power transfer and reliable engagement. This enhances pedal response under load and increases service life versus pawl hubs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Bola CE 40R Carbon Disc Wheelset 700C – 40mm Deep,28\/30mm Wide, DT Swiss Hub Flat Carbon Spokes,1270g\",\n  \"description\": \"The Bola CE 40R Carbon Disc Wheelset 700C delivers balanced aerodynamics and stability for road and gravel riding with a 40mm deep T800 UD carbon rim, 28\/30mm external width, and DT Swiss OEM hub. Optimized for 28–32c tires, it weighs 1270g and supports both tubeless and clincher setups, providing an ideal upgrade for competitive cyclists requiring versatile performance and certified reliability. Technical Specifications Rim Depth: 40mm External Width: 28mm or 30mm Internal Width: 21mm or 24mm Material: T800 UD matte carbon fiber Weight: 1270g (excluding tape\/valves) Spokes: Flat carbon, straight-pull, 20 front (radial), 24 rear (2-cross) Hub: DT Swiss OEM, 54T ratchet, Center Lock, 12x100\/12x142mm thru-axle or QR Certification: ISO 4210-7, REACH compliant Tire Compatibility: Tubeless and clincher, optimized for 28–32c tires Comparison Table Feature Bola CE 40R Competitor Example Rim Depth 40mm 40mm External Width 28\/30mm 28-30mm Weight 1270g 1240–1350g Spoke Type Flat carbon Aero steel\/carbon Hub DT Swiss OEM, 54T Ratchet\/Star Ratchet Certifications ISO 4210-7, REACH — Situational Fit \u0026 Real-World Use Well-suited for competitive road and gravel cycling where aerodynamic stability and lightweight climbing are priorities. Wide rim profiles support modern 28–32c tires, enabling optimal tire shape and grip on mixed surfaces. DT Swiss ratchet hub ensures fast engagement in technical courses and endurance rides. Certified quality and durability validated for professional use and demanding conditions. Frequently Asked Questions Are 40mm deep carbon disc wheelsets good for both road and gravel riding? Yes, the 40mm depth offers a balance of aerodynamic efficiency for road and stable handling for gravel. The 28\/30mm width supports 28–32c tires, making the Bola CE 40R suitable for both disciplines. How do carbon wheels with flat spokes compare to traditional round spoke wheels? Flat carbon spokes reduce aerodynamic drag and rotational weight, providing improved speed and stability. They also enhance lateral stiffness compared to traditional round steel spokes. Will a 700C carbon wheelset with 28mm external width fit 28c and 32c tires? Yes, both 28mm and 30mm (external) rim widths are compatible with 28–32c tires, optimizing tire profile and ride comfort. Are lightweight carbon wheelsets under 1300g worth the investment for climbing? For demanding climbs, sub-1300g carbon wheelsets like the Bola CE 40R significantly reduce rotational mass, aiding acceleration and efficiency on ascents according to verified customer reviews and peer competitor designs. What’s the benefit of DT Swiss OEM hub for carbon spoked wheelsets? The DT Swiss OEM hub features a 54T ratchet system for fast power transfer and reliable engagement. This enhances pedal response under load and increases service life versus pawl hubs.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"Carbon Road \u0026 Gravel Disc Wheelsets\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitedtcswheels.png?v=1780047415\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/blackdtcswheel.png?v=1780047415\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/dt350cshub.png?v=1780047415\"\n  ],\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/OutOfStock\",\n    \"price\": \"1111.00\",\n    \"priceCurrency\": \"USD\",\n    \"url\": \"https:\/\/bolacarbon.com\/products\/bola-ce-40r-carbon-disc-wheelset-700c-40mm-deep-28-30mm-wide-dt-swiss-hub-flat-carbon-spokes\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"https:\/\/bolacarbon.com\"\n    }\n  }\n}\n\u003c\/script\u003e \u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are 40mm deep carbon disc wheelsets good for both road and gravel riding?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the 40mm depth offers a balance of aerodynamic efficiency for road and stable handling for gravel. The 28\/30mm width supports 28–32c tires, making the Bola CE 40R suitable for both disciplines.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do carbon wheels with flat spokes compare to traditional round spoke wheels?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Flat carbon spokes reduce aerodynamic drag and rotational weight, providing improved speed and stability. 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This enhances pedal response under load and increases service life versus pawl hubs.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"30\/24mm \/ Shimano HG \/ Black Bola","offer_id":48288153567486,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"30\/24mm \/ Shimano HG \/ White Bola","offer_id":48288153600254,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"30\/24mm \/ Shimano HG \/ Customized","offer_id":48288153633022,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"30\/24mm \/ Sram  XDR \/ Black Bola","offer_id":48288153665790,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"30\/24mm \/ Sram  XDR \/ White Bola","offer_id":48288153698558,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"30\/24mm \/ Sram  XDR \/ Customized","offer_id":48288153731326,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"30\/24mm \/ Compy \/ Black Bola","offer_id":48288153764094,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"30\/24mm \/ Compy \/ White Bola","offer_id":48288153796862,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"30\/24mm \/ Compy \/ Customized","offer_id":48288153829630,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Shimano HG \/ Black Bola","offer_id":48288153862398,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Shimano HG \/ White Bola","offer_id":48288153895166,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Shimano HG \/ Customized","offer_id":48288153927934,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Sram  XDR \/ Black Bola","offer_id":48288153960702,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Sram  XDR \/ White Bola","offer_id":48288153993470,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Sram  XDR \/ Customized","offer_id":48288154026238,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Compy \/ Black Bola","offer_id":48288154059006,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Compy \/ White Bola","offer_id":48288154091774,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"28\/21mm \/ Compy \/ Customized","offer_id":48288154124542,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitedtcswheels.png?v=1780298517","url":"https:\/\/bolacarbon.com\/ar\/products\/bola-ce-40r-carbon-disc-wheelset-700c-40mm-deep-28-30mm-wide-dt-swiss-hub-foil-carbon-spokes","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}