{"product_id":"bola-st-50t-50mm-carbon-road-wheelset-dt-350s-hub-cx-ray-spoke-tubular-rim-brake-25-28mm-1270g","title":"Bola ST 50T 50mm Carbon Road Wheelset, DT Swiss 350S, CX-Ray, Tubular, Rim Brake, 25\/28mm","description":"\u003cp\u003eEngineered for competitive road racing and endurance cycling, the Bola ST 50T 50mm carbon road wheelset leverages DT Swiss 350S hubs and Sapim CX-Ray spokes for optimal power transfer and consistent braking on demanding terrain. Choose between 25mm or 28mm tubular rims to fine-tune aerodynamics and handling for your riding style. Basalt carbon braking surfaces and a certified EN 14781 tubular construction ensure durability and heat resistance for long descents while maximizing acceleration with a 1270g ±20g total weight.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Matrtial\u003c\/strong\u003e:T700\/T800,UD Matt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 50mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Width:\u003c\/strong\u003e 25mm or 28mm (external)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1270g ±20g (per set, without accessories)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Type:\u003c\/strong\u003e Rim brake, basalt carbon braking surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Sapim CX-Ray, 20 front (radial), 24 rear (2 cross)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHubset:\u003c\/strong\u003e DT Swiss 350S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Standards:\u003c\/strong\u003e Standard quick-release\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e EN 14781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Rider Weight:\u003c\/strong\u003e 100kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for road racing, competitive stage events, and long-distance endurance riding.\u003c\/li\u003e\n\u003cli\u003eTubular construction supports higher tire pressures (25–30c suitable), improving grip and road feedback in high-speed and technical segments.\u003c\/li\u003e\n\u003cli\u003eThe 1270g overall set weight reduces rotational inertia, resulting in noticeable gains in acceleration and climbing efficiency compared to typical wheelsets (1400–1600g).\u003c\/li\u003e\n\u003cli\u003eBasalt carbon braking surface mitigates fade on alpine descents, sustaining reliable braking under repeated high-heat loads. Riders are advised to use carbon-specific brake pads and monitor rim heat on sustained descents.\u003c\/li\u003e\n\u003cli\u003eChoice of 25mm or 28mm width: 25mm is typically favored for hilly and mixed terrain for agility and lighter weight, 28mm offers a broader tire bed for stability at speed and better support for modern wide tubular tires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparison Table: Bola ST 50T vs Popular Competitors\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRim Depth\u003c\/th\u003e\n\u003cth\u003eRim Width\u003c\/th\u003e\n\u003cth\u003eWeight (pair)\u003c\/th\u003e\n\u003cth\u003eBrake\u003c\/th\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBola ST 50T\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003ctd\u003e25\/28mm\u003c\/td\u003e\n\u003ctd\u003e1270g\u003c\/td\u003e\n\u003ctd\u003eRim\u003c\/td\u003e\n\u003ctd\u003eHigh modulus carbon, tubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDT50S (comp)\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003e720-820g (rim only)\u003c\/td\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003eToray T700\/T800 carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHUNT 50 Carbon\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003ctd\u003e22mm internal\u003c\/td\u003e\n\u003ctd\u003e~1468g\u003c\/td\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003eTubeless-ready, carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5.0 Carbon Tubular\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003ctd\u003e25mm\u003c\/td\u003e\n\u003ctd\u003eNA\u003c\/td\u003e\n\u003ctd\u003eRim\u003c\/td\u003e\n\u003ctd\u003eHigh modulus carbon, tubular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eKnown Trade-offs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTubular tires require more labor to install and repair versus clinchers, but reduce rolling weight and allow higher pressures\/preferred road feel by many racers.\u003c\/li\u003e\n\u003cli\u003eRim brake configuration delivers lighter weight but may require cautious descent management on very long or hot alpine passes.\u003c\/li\u003e\n\u003cli\u003eWhile disc brake models offer broader compatibility and weather performance, the rim brake Bola ST 50T prioritizes minimal mass and classic road build standards.\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 50mm deep carbon tubular wheels good for road racing?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, 50mm deep carbon tubular wheels are optimized for road racing as they provide aerodynamic advantages, low rotational mass for rapid acceleration, and high responsiveness. The Bola ST 50T model supports endurance and sprint events where these characteristics enhance racing performance, in line with preferences of experienced competitors and teams.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does a 1270g carbon wheelset with DT 350 hubs compare to other lightweight wheelsets?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAt 1270g per pair and with proven DT Swiss 350S hubs, the Bola ST 50T ranks among the lighter wheelsets available for tubular\/rim brake setups, facilitating sharper climbs and reduced fatigue over distance. Competitor clincher\/tubeless disc models frequently exceed 1400g.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's better for hilly terrain, 25mm or 28mm wide tubular carbon rims?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e25mm rims are typically preferred for hilly routes due to reduced weight and improved agility, while 28mm offers additional stability and tire support at higher speeds or rough surfaces. Match width to your typical tire size and terrain needs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eCan these rim brake carbon wheels handle long descents without overheating?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe Bola ST 50T's basalt carbon brake track improves heat tolerance and maintains braking power over long descents. To minimize overheating risk, use carbon-specific brake pads and periodically check rim temperature on very long or steep alpine descents.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this wheelset a good upgrade for improving acceleration and speed on my road bike?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eReducing total wheelset weight to 1270g results in faster acceleration and higher sustained speeds, especially noticeable in sprints, climbing, and repeated accelerations common in racing scenarios.\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 ST 50T 50mm  Carbon Road Wheelset – DT 350s hub CX Ray spoke Tubular Rim Brake, 25\/28mm, 1270g\",\n  \"description\": \"Engineered for competitive road racing and endurance cycling, the Bola ST 50T 50mm carbon road wheelset leverages DT Swiss 350S hubs and Sapim CX-Ray spokes for optimal power transfer and consistent braking on demanding terrain. Choose between 25mm or 28mm tubular rims to fine-tune aerodynamics and handling for your riding style. Basalt carbon braking surfaces and a certified EN 14781 tubular construction ensure durability and heat resistance for long descents while maximizing acceleration with a 1270g ±20g total weight. Key Specifications Rim Depth: 50mm Rim Width: 25mm or 28mm (external) Weight: 1270g ±20g (per set, without accessories) Brake Type: Rim brake, basalt carbon braking surface Spokes: Sapim CX-Ray, 20 front (radial), 24 rear (2 cross) Hubset: DT Swiss 350S Axle Standards: Standard quick-release Certification: EN 14781 Max Rider Weight: 100kg Warranty: 2 years Performance \u0026 Use Cases Designed for road racing, competitive stage events, and long-distance endurance riding. Tubular construction supports higher tire pressures (25–30c suitable), improving grip and road feedback in high-speed and technical segments. The 1270g overall set weight reduces rotational inertia, resulting in noticeable gains in acceleration and climbing efficiency compared to typical wheelsets (1400–1600g). Basalt carbon braking surface mitigates fade on alpine descents, sustaining reliable braking under repeated high-heat loads. Riders are advised to use carbon-specific brake pads and monitor rim heat on sustained descents. Choice of 25mm or 28mm width: 25mm is typically favored for hilly and mixed terrain for agility and lighter weight, 28mm offers a broader tire bed for stability at speed and better support for modern wide tubular tires. Comparison Table: Bola ST 50T vs Popular Competitors Model Rim Depth Rim Width Weight (pair) Brake Construction Bola ST 50T 50mm 25\/28mm 1270g Rim High modulus carbon, tubular DT50S (comp) 50mm 25mm 720-820g (rim only) Disc Toray T700\/T800 carbon HUNT 50 Carbon 50mm 22mm internal ~1468g Disc Tubeless-ready, carbon 5.0 Carbon Tubular 50mm 25mm NA Rim High modulus carbon, tubular Known Trade-offs Tubular tires require more labor to install and repair versus clinchers, but reduce rolling weight and allow higher pressures\/preferred road feel by many racers. Rim brake configuration delivers lighter weight but may require cautious descent management on very long or hot alpine passes. While disc brake models offer broader compatibility and weather performance, the rim brake Bola ST 50T prioritizes minimal mass and classic road build standards. Frequently Asked Questions Are 50mm deep carbon tubular wheels good for road racing? Yes, 50mm deep carbon tubular wheels are optimized for road racing as they provide aerodynamic advantages, low rotational mass for rapid acceleration, and high responsiveness. The Bola ST 50T model supports endurance and sprint events where these characteristics enhance racing performance, in line with preferences of experienced competitors and teams. How does a 1270g carbon wheelset with DT 350 hubs compare to other lightweight wheelsets? At 1270g per pair and with proven DT Swiss 350S hubs, the Bola ST 50T ranks among the lighter wheelsets available for tubular\/rim brake setups, facilitating sharper climbs and reduced fatigue over distance. Competitor clincher\/tubeless disc models frequently exceed 1400g. What's better for hilly terrain, 25mm or 28mm wide tubular carbon rims? 25mm rims are typically preferred for hilly routes due to reduced weight and improved agility, while 28mm offers additional stability and tire support at higher speeds or rough surfaces. Match width to your typical tire size and terrain needs. Can these rim brake carbon wheels handle long descents without overheating? The Bola ST 50T's basalt carbon brake track improves heat tolerance and maintains braking power over long descents. To minimize overheating risk, use carbon-specific brake pads and periodically check rim temperature on very long or steep alpine descents. Is this wheelset a good upgrade for improving acceleration and speed on my road bike? Reducing total wheelset weight to 1270g results in faster acceleration and higher sustained speeds, especially noticeable in sprints, climbing, and repeated accelerations common in racing scenarios.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"Carbon Road Bike Wheelsets\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_rim_brake_wheelset_8c62e281-7755-4a0f-9e91-3553844b3ebe.png?v=1779785564\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/boladt350carbonwheelset_ac04c30b-201c-4ce7-9ca0-f838a72b049a.png?v=1779785255\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola38mmcarbonrimbrakewheelsetdt350_f48fadf3-4cad-4fd4-9e83-61eb6c1d5894.png?v=1779785255\"\n  ],\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/OutOfStock\",\n    \"price\": \"860.00\",\n    \"priceCurrency\": \"USD\",\n    \"url\": \"https:\/\/bolacarbon.com\/products\/bola-st-50t-50mm-carbon-road-wheelset-dt-350s-hub-cx-ray-spoke-tubular-rim-brake-25-28mm-1270g\",\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 50mm deep carbon tubular wheels good for road racing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, 50mm deep carbon tubular wheels are optimized for road racing as they provide aerodynamic advantages, low rotational mass for rapid acceleration, and high responsiveness. The Bola ST 50T model supports endurance and sprint events where these characteristics enhance racing performance, in line with preferences of experienced competitors and teams.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does a 1270g carbon wheelset with DT 350 hubs compare to other lightweight wheelsets?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"At 1270g per pair and with proven DT Swiss 350S hubs, the Bola ST 50T ranks among the lighter wheelsets available for tubular\/rim brake setups, facilitating sharper climbs and reduced fatigue over distance. Competitor clincher\/tubeless disc models frequently exceed 1400g.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What's better for hilly terrain, 25mm or 28mm wide tubular carbon rims?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"25mm rims are typically preferred for hilly routes due to reduced weight and improved agility, while 28mm offers additional stability and tire support at higher speeds or rough surfaces. Match width to your typical tire size and terrain needs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these rim brake carbon wheels handle long descents without overheating?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Bola ST 50T's basalt carbon brake track improves heat tolerance and maintains braking power over long descents. To minimize overheating risk, use carbon-specific brake pads and periodically check rim temperature on very long or steep alpine descents.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this wheelset a good upgrade for improving acceleration and speed on my road bike?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Reducing total wheelset weight to 1270g results in faster acceleration and higher sustained speeds, especially noticeable in sprints, climbing, and repeated accelerations common in racing scenarios.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"17\/25 mm \/ Shimano HG \/ Black Bola","offer_id":48259616702718,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Shimano HG \/ White Bola","offer_id":48259616735486,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Shimano HG \/ Customized","offer_id":48259616768254,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Sram XDR \/ Black Bola","offer_id":48259616801022,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Sram XDR \/ White Bola","offer_id":48259616833790,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Sram XDR \/ Customized","offer_id":48259616866558,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Compy \/ Black Bola","offer_id":48259616899326,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Compy \/ White Bola","offer_id":48259616932094,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"17\/25 mm \/ Compy \/ Customized","offer_id":48259616964862,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Shimano HG \/ Black Bola","offer_id":48259616997630,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Shimano HG \/ White Bola","offer_id":48259617030398,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Shimano HG \/ Customized","offer_id":48259617063166,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Sram XDR \/ Black Bola","offer_id":48259617095934,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Sram XDR \/ White Bola","offer_id":48259617128702,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Sram XDR \/ Customized","offer_id":48259617161470,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Compy \/ Black Bola","offer_id":48259617194238,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Compy \/ White Bola","offer_id":48259617227006,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true},{"title":"21\/28 mm \/ Compy \/ Customized","offer_id":48259617259774,"sku":null,"price":860.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/bola_rim_brake_wheelset_8c62e281-7755-4a0f-9e91-3553844b3ebe.png?v=1780298489","url":"https:\/\/bolacarbon.com\/ko\/products\/bola-st-50t-50mm-carbon-road-wheelset-dt-350s-hub-cx-ray-spoke-tubular-rim-brake-25-28mm-1270g","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}