{"product_id":"bola-ult-40r-700c-carbon-disc-wheelset","title":"Bola ULT 40R 700C Carbon Disc Wheelset, 40mm Tubeless, 1210g, T800 Carbon, Road and Gravel","description":"\u003cp\u003eThe Bola ULT 40R 700C Carbon Disc Wheelset delivers a balanced combination of low weight, aerodynamic efficiency, and tubeless-ready versatility for road and gravel riders. Constructed from Toray T800 unidirectional matte carbon, the set weighs a verified 1210g (±30g) and is REACH compliant with ISO 4210-7 testing for structural reliability.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 40mm aerodynamic profile for all-round performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Rim Width:\u003c\/strong\u003e 28mm or 30mm options to optimize modern tire shapes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire Compatibility:\u003c\/strong\u003e Tubeless-ready; recommended 28–48mm tire range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHubs:\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 patterns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxles:\u003c\/strong\u003e 12x100mm front and 12x142mm rear thru-axle; quick-release compatible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months with Bola global support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance \u0026amp; Use\u003c\/h2\u003e\n\u003cp\u003eAt 1210g per set, the ULT 40R competes with higher-priced models by offering reduced rotational mass for quicker accelerations and improved climbing while maintaining rim stiffness and compliance suitable for mixed surfaces. The wider internal profile supports modern, larger-volume tires for enhanced comfort and traction on gravel, endurance road, and mixed-terrain rides. Compared with deeper 50mm race-specific rims, the 40mm depth offers a more controllable crosswind profile and broader everyday usability.\u003c\/p\u003e\n\u003cp\u003eThese wheels are ideal for riders seeking a cost-effective carbon upgrade, shops and OEMs requiring competitive value, and cyclists who need a single wheelset capable of covering long endurance rides, gravel events, and variable road conditions.\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"28\/21 mm \/ Shimano HG \/ Black Bola","offer_id":48267719409918,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Shimano HG \/ White Bola","offer_id":48267719442686,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Shimano HG \/ Customized","offer_id":48267719475454,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ Black Bola","offer_id":48267719508222,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ White Bola","offer_id":48267719540990,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ Customized","offer_id":48267719573758,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ Black Bola","offer_id":48267719606526,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ White Bola","offer_id":48267719639294,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ Customized","offer_id":48267719672062,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ Black Bola","offer_id":48267719704830,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ White Bola","offer_id":48267719737598,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ Customized","offer_id":48267719770366,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ Black Bola","offer_id":48267719803134,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ White Bola","offer_id":48267719835902,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ Customized","offer_id":48267719868670,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ Black Bola","offer_id":48267719901438,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ White Bola","offer_id":48267719934206,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ Customized","offer_id":48267719966974,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/45whitedb.png?v=1780298507","url":"https:\/\/bolacarbon.com\/products\/bola-ult-40r-700c-carbon-disc-wheelset","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}