{"product_id":"bola-exp-50t-tubular-carbon-50mm-rim-brake-wheelset-dt240s-sapim-cx-ray-25-28mm-1230g","title":"Bola EXP 50T 50mm Tubular Carbon Rim Brake Wheelset – DT240S Hubs, Sapim CX-Ray, 25\/28mm, 1230g","description":"\u003cp\u003eOptimized for climbers and aero-focused racers, the \u003cstrong\u003eBola EXP 50T Tubular Carbon Rim Brake Wheelset\u003c\/strong\u003e delivers a lightweight build (1230g ±20g), 50mm aerodynamic profile, and proven DT240S hubs for responsive acceleration. Available in 25mm or 28mm external rim widths, it ensures compatibility with 25–30c tubular tires and meets EN 14781 standards for durability and performance in competitive scenarios.\u003c\/p\u003e\n\u003ch2 id=\"tinymce_scroll_sign\"\u003eOverview of 50mm Tubular Carbon Rim Brake Wheels\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim:\u003c\/strong\u003e Tubular, 50mm depth, 25mm or 28mm external width, unidirectional matte T700\/T800 carbon, EN 14781 certified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Track:\u003c\/strong\u003e Basalt reinforced carbon for heat resistance and consistent rim brake feel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHubs:\u003c\/strong\u003e DT Swiss 240S, straight-pull, 20f\/24r spoke config\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Sapim CX Ray, aero bladed stainless steel, optimized for low drag and high tensile strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1230g ±20g (excludes QR, tires, cassette), rider limit: 120kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufactured:\u003c\/strong\u003e China – Bola Carbon Sporting Goods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance Insights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClimbing \u0026amp; Aero Balance:\u003c\/strong\u003e 1230g weight allows agile handling on steep terrain while the 50mm deep rim delivers measurable aerodynamic benefit at higher speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Width Selection:\u003c\/strong\u003e 25mm suits 23–25c tubulars for lower rolling resistance; 28mm offers increased lateral stability with 25–30c tires for enhanced grip and comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBraking:\u003c\/strong\u003e Basalt carbon track resists heat buildup, ideal for variable conditions and demanding descents, with predictable modulation versus standard carbon tracks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e25mm vs 28mm Rim Comparison\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 4px;\"\u003eMetric\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 4px;\"\u003e25mm Rim\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 4px;\"\u003e28mm Rim\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eLighter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eMarginally heavier, more stable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eTire Fit\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003e23–25c\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003e25–30c\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eAero Benefit\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eAgile response, less side area\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eReduced drag with wider tires, improved control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eRide Feel\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eSharp, race-tuned\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 4px;\"\u003eStability on descents and in crosswinds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSituational Use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetitive racing\u003c\/strong\u003e: Meets modern pro peloton and club preferences for low total system weight and aerodynamic gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCriteriums\u003c\/strong\u003e: 50mm depth supports fast accelerations; Sapim spokes and DT240S hubs maximize stiffness and reduce lag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEndurance rides\u003c\/strong\u003e: Reliable brake track and carbon layup support long descents with reduced fatigue risk.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eAre 50mm carbon tubular rim brake wheels good for both climbing and aero performance?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eWith a measured weight of 1230g and 50mm depth, this wheelset balances low rotational mass for climbing with aerodynamic properties for speed on flats and descents, matching modern club and pro racing standards.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does a 1230g carbon wheelset compare to other lightweight road options?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAt 1230g, it is lighter than most competing 50mm tubular and clincher wheelsets on the market (typical range 1250g–1400g), offering a noticeable advantage for sustained climbs and repeated accelerations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is the difference between 25mm and 28mm carbon wheelsets for road bikes?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe 25mm rim is suited to 23–25c tires with lower rolling resistance, while 28mm offers more support for 25–30c tires, increasing stability and aerodynamic synergy for wider tire setups.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs a basalt braking surface better for predictable stopping power on rim brake wheels?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eBasalt carbon brake tracks raise heat dissipation, improve braking consistency under repeated deceleration, and minimize fade compared to standard carbon brake tracks, especially during prolonged descents.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat wheelset is best for club racing with 25c to 30c road tires?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThis wheelset’s 25mm and 28mm external width options are optimized for 25–30c tubular tires, providing aerodynamic efficiency and handling aligned with contemporary club racing requirements.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAdvanced Carbon Rim Design\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Bola EXP 50T wheelset features 50mm tubular carbon rims specifically designed for rim brake performance. Its 25mm internal and 28mm external widths provide a perfect balance of aerodynamic efficiency and tire compatibility. The rims are engineered to optimize braking power while maintaining low weight at just 1230 grams per set, making them ideal for competitive cyclists who demand responsiveness and control. This combination ensures a smooth ride, enhanced speed, and consistent stopping power on various terrains.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eElite DT240S Hubs \u0026amp; Sapim CX-Ray Spokes\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEquipped with renowned DT240S hubs, these wheels deliver exceptional durability, smoothness, and reliability. The hubs incorporate high-quality bearings for minimal rolling resistance and a solid engagement feel. Complementing the hubs, Sapim CX-Ray spokes contribute to the wheelset’s strength while maintaining a lightweight profile. This pairing optimizes overall wheel stiffness and responsiveness, translating to better power transfer and a more confident riding experience on demanding road conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIdeal Specifications for High-End Performance\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Bola EXP 50T wheelset's specifications reflect its race-ready design. With a weight of 1230 grams and aerodynamic rim dimensions of 25\/28mm, it balances speed, stability, and climbing efficiency. Designed as tubular, these carbon rim brake wheels suit riders who prefer high-performance setups for competitive racing or enthusiast riding. The precise build and premium materials ensure long-lasting performance while staying compatible with a wide range of tubular tires for versatile use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"17\/25 mm \/ Shimano HG \/ Black Bola","offer_id":48259642720510,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Shimano HG \/ White Bola","offer_id":48259642753278,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Shimano HG \/ Customized","offer_id":48259642786046,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Sram XDR \/ Black Bola","offer_id":48259642818814,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Sram XDR \/ White Bola","offer_id":48259642851582,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Sram XDR \/ Customized","offer_id":48259642884350,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Compy \/ Black Bola","offer_id":48259642917118,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Compy \/ White Bola","offer_id":48259642949886,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Compy \/ Customized","offer_id":48259642982654,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Shimano HG \/ Black Bola","offer_id":48259643015422,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Shimano HG \/ White Bola","offer_id":48259643048190,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Shimano HG \/ Customized","offer_id":48259643080958,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Sram XDR \/ Black Bola","offer_id":48259643113726,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Sram XDR \/ White Bola","offer_id":48259643146494,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Sram XDR \/ Customized","offer_id":48259643179262,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Compy \/ Black Bola","offer_id":48259643212030,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Compy \/ White Bola","offer_id":48259643244798,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Compy \/ Customized","offer_id":48259643277566,"sku":null,"price":1111.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitedt240rbwheel_e7f7d2b2-98d8-4c69-b76f-038b13911d16.png?v=1780298492","url":"https:\/\/bolacarbon.com\/products\/bola-exp-50t-tubular-carbon-50mm-rim-brake-wheelset-dt240s-sapim-cx-ray-25-28mm-1230g","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}