{"product_id":"bola-ult-50g-700c-carbon-gravel-wheelset","title":"Bola ULT 50G 700C Carbon Gravel Disc Wheelset — 50mm Rim Depth, Tubeless Ready, 34–38mm External Width","description":"\u003cp\u003eThe Bola ULT 50G 700C Carbon Disc Wheelset pairs Toray T800 unidirectional matte carbon construction with a 50mm aerodynamic rim profile, delivering a lightweight, stiff, and confidence-inspiring platform for gravel racing, mixed-terrain endurance rides, and road-to-gravel versatility. Engineered to balance aero performance with wide tire compatibility, these wheels are designed for riders seeking improved speed, stability, and tubeless flexibility at a competitive factory-direct price.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Material:\u003c\/strong\u003e Toray T800 UD matte carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 50mm aerodynamic mid-profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal \/ External Widths:\u003c\/strong\u003e Internal: 28 \/ 30 \/ 32mm; External: 34 \/ 36 \/ 38mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Size:\u003c\/strong\u003e 700C (ETRTO 622mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Weight (pair):\u003c\/strong\u003e 1285g ±2% (34\/36mm); 1330g ±2% (38mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Sapim CX-Ray stainless steel, aero bladed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub System:\u003c\/strong\u003e BL180 alloy hubs with TPI ceramic bearings and 54T ratchet driver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBraking Interface:\u003c\/strong\u003e Center Lock disc brake compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless:\u003c\/strong\u003e Tubeless-ready, supports 28–50mm tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications \u0026amp; Warranty:\u003c\/strong\u003e ISO 4210-7, REACH-compliant, 24-month manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance \u0026amp; Use\u003c\/h2\u003e\n\u003cp\u003eThe 50mm rim depth provides aerodynamic benefit without sacrificing handling on variable surfaces, while the broad internal widths enable stable sidewalls and optimal tire shaping for 28–50mm tubeless tires. The Sapim CX-Ray bladed spokes and ceramic-bearing BL180 hubs deliver a responsive ride feel and efficient power transfer, and the 54T ratchet engagement ensures reliable engagement for technical terrain and sprint efforts. Bola’s multi-stage quality control and included warranty position this wheelset as a cost-effective alternative to higher-priced factory models while retaining high-spec components.\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"34\/28 mm \/ Shimano HG \/ Black Bola","offer_id":48491058594046,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"34\/28 mm \/ Shimano HG \/ White Bola","offer_id":48491058626814,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"34\/28 mm \/ Shimano HG \/ Customized","offer_id":48491058659582,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"34\/28 mm \/ Sram  XDR \/ Black Bola","offer_id":48491058692350,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"34\/28 mm \/ Sram  XDR \/ White Bola","offer_id":48491058725118,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"34\/28 mm \/ Sram  XDR \/ Customized","offer_id":48491058757886,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"34\/28 mm \/ Compy \/ Black Bola","offer_id":48491058790654,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"34\/28 mm \/ Compy \/ White Bola","offer_id":48491058823422,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"34\/28 mm \/ Compy \/ Customized","offer_id":48491058856190,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Shimano HG \/ Black Bola","offer_id":48491058888958,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Shimano HG \/ White Bola","offer_id":48491058921726,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Shimano HG \/ Customized","offer_id":48491058954494,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Sram  XDR \/ Black Bola","offer_id":48491058987262,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Sram  XDR \/ White Bola","offer_id":48491059020030,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Sram  XDR \/ Customized","offer_id":48491059052798,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Compy \/ Black Bola","offer_id":48491059085566,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Compy \/ White Bola","offer_id":48491059118334,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"36\/30 mm \/ Compy \/ Customized","offer_id":48491059151102,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Shimano HG \/ Black Bola","offer_id":48491151950078,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Shimano HG \/ White Bola","offer_id":48491151982846,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Shimano HG \/ Customized","offer_id":48491152015614,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Sram  XDR \/ Black Bola","offer_id":48491152048382,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Sram  XDR \/ White Bola","offer_id":48491152081150,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Sram  XDR \/ Customized","offer_id":48491152113918,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Compy \/ Black Bola","offer_id":48491152146686,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Compy \/ White Bola","offer_id":48491152179454,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"38\/32 mm \/ Compy \/ Customized","offer_id":48491152212222,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/black45db.png?v=1780298508","url":"https:\/\/bolacarbon.com\/ja\/products\/bola-ult-50g-700c-carbon-gravel-wheelset","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}