{"product_id":"bola-ult-45r-700c-carbon-disc-wheelset","title":"Bola ULT 45R 700C Carbon Disc Wheelset — 45mm Deep, Tubeless Ready, 1230g","description":"\u003cp\u003eThe Bola ULT 45R 700C wheelset delivers a balanced combination of lightweight construction, aerodynamic efficiency and cross-terrain stability for road and gravel riders. Built around a 45mm T800 unidirectional matte carbon rim and a choice of 21mm or 24mm internal widths, the wheelset supports 28–48mm tubeless tires for optimized tire profiles and confident handling on mixed surfaces. The paired rim and hub system yields a total set weight of 1230g (excludes tape and valves), prioritizing quick acceleration and responsive climbing while retaining durability for everyday use.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 45mm aerodynamic profile for road speed and gravel stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 21mm or 24mm options — compatible with 28–48mm tubeless tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Width:\u003c\/strong\u003e 28mm or 30mm to support modern wider tire sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T800 UD carbon rim with BL1 alloy hub and TPI ceramic bearings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e 24 front \/ 24 rear Sapim CX-Ray stainless steel, 2-cross lacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Compatibility:\u003c\/strong\u003e 12x100\/12x142mm thru-axle or QR options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1230g per pair (excludes tape and valves).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ISO 4210-7 and REACH compliant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months limited, global support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUse Cases \u0026amp; Comparison\u003c\/h2\u003e\n\u003cp\u003eDesigned as a versatile upgrade, the Bola ULT 45R suits training, endurance races, mixed-surface events and touring where aerodynamic benefit and tire volume are both important. Compared with lighter ultralight models, the 45R emphasizes a balanced package of aero performance and wider tire support, making it appropriate for riders who need one reliable wheelset across road and gravel disciplines.\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"28\/21 mm \/ Shimano HG \/ Black Bola","offer_id":48337868849406,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Shimano HG \/ White Bola","offer_id":48337868882174,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Shimano HG \/ Customized","offer_id":48337868914942,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ Black Bola","offer_id":48337868947710,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ White Bola","offer_id":48337868980478,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ Customized","offer_id":48337869013246,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ Black Bola","offer_id":48337869046014,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ White Bola","offer_id":48337869078782,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ Customized","offer_id":48337869111550,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ Black Bola","offer_id":48337869144318,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ White Bola","offer_id":48337869177086,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ Customized","offer_id":48337869209854,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ Black Bola","offer_id":48337869242622,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ White Bola","offer_id":48337869275390,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ Customized","offer_id":48337869308158,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ Black Bola","offer_id":48337869340926,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ White Bola","offer_id":48337869373694,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ Customized","offer_id":48337869406462,"sku":null,"price":698.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/45white_5cfab1ea-27ae-400b-8605-0d3d743c9e80.png?v=1780298507","url":"https:\/\/bolacarbon.com\/products\/bola-ult-45r-700c-carbon-disc-wheelset","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}