{"product_id":"bola-prm-50r-carbon-disc-wheelset-700c-50mm-deep-21-24mm-inner-blade-carbon-spokes-tubeless-ready-1230g","title":"Bola PRM 50R 700C Carbon Disc Wheelset – 50mm Tubeless, Blade Carbon Spokes, 1230g","description":"\u003cp\u003eThe Bola PRM 50R 700C carbon disc wheelset delivers 50mm mid-depth aerodynamics, only 1230g weight, and blade carbon spokes for enhanced acceleration and ride stability. Designed for both road and gravel scenarios, it supports tubeless tires and is ISO certified, offering riders an optimized balance of speed, versatility, and reliability.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 50mm mid-profile for aerodynamic performance and crosswind control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Width:\u003c\/strong\u003e 21mm (road), 24mm (gravel\/CX) – supports wider, modern tires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Width:\u003c\/strong\u003e 28mm or 30mm to fit a range of tire sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Weight:\u003c\/strong\u003e 1230g (set, without tape\/valves)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e 20F\/20R, straight-pull, blade carbon, 2-cross lacing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Disc brake only; tubeless-ready clincher design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ISO 4210-7, REACH compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Toray carbon rims, in-house engineered hubs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24-month global coverage; crash replacement policy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow it Compares\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBola PRM 50R\u003c\/th\u003e\n\u003cth\u003eMid-High Performance Model\u003cbr\u003e(e.g., HUNT 50 Carbon Disc)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Depth\u003c\/td\u003e\n\u003ctd\u003e50mm mid-profile\u003c\/td\u003e\n\u003ctd\u003e50mm U\/V profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Rim Width\u003c\/td\u003e\n\u003ctd\u003e21mm (road), 24mm (gravel\/CX)\u003c\/td\u003e\n\u003ctd\u003e22–23mm (road; some models only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Weight\u003c\/td\u003e\n\u003ctd\u003e1230g (no tape\/valves)\u003c\/td\u003e\n\u003ctd\u003e1450g–1550g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpokes\u003c\/td\u003e\n\u003ctd\u003eBlade carbon spokes\u003c\/td\u003e\n\u003ctd\u003eSapim CX-Ray steel spokes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eRoad \u0026amp; gravel, tubeless-ready\u003c\/td\u003e\n\u003ctd\u003ePrimarily road, tubeless-ready\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eISO 4210-7, REACH\u003c\/td\u003e\n\u003ctd\u003eNone specified (varies)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e24 months, crash replacement\u003c\/td\u003e\n\u003ctd\u003e12–36 months, brand dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetail Price\u003c\/td\u003e\n\u003ctd\u003eFactory-direct, cost-effective\u003c\/td\u003e\n\u003ctd\u003eMid-high retail + brand markup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrading endurance road bikes for faster rolling and improved comfort over long distances\u003c\/li\u003e\n\u003cli\u003eBoosting gravel bike efficiency on mixed terrain with 24mm wide tubeless set-up\u003c\/li\u003e\n\u003cli\u003eDisc brake, tubeless conversion for increased puncture resistance and lower rolling resistance\u003c\/li\u003e\n\u003cli\u003eRacing or training with rapid acceleration and maintained stability in crosswinds (50mm rim)\u003c\/li\u003e\n\u003cli\u003eOEM\/custom builds for retailers needing a reliable, all-conditions carbon option for resale\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 carbon disc wheels good for both road and gravel riding?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The Bola PRM 50R features both 21mm and 24mm internal rim widths, making it compatible with modern road and gravel tires. ISO 4210-7 and REACH compliance ensure structural reliability across both riding conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is the actual weight advantage of a 1230g carbon wheelset for racing?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAt 1230g (set, no tape\/valves), this wheelset is among the lightest in the 50mm disc segment. Factor in acceleration and climbing efficiency—lighter wheels reduce rotational mass, contributing to noticeable improvements in sustained efforts and rapid transitions, which benefits both competitive and endurance riders.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow do blade carbon spokes on Bola PRM 50R compare to Sapim CX Ray spokes?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eBlade carbon spokes deliver lower aerodynamic drag and increased lateral stiffness compared to steel spokes (e.g., Sapim CX Ray), with further weight reduction. Carbon spokes are ideal for riders seeking a reactive, high-efficiency feel for competitive use. Sapim CX Ray steel spokes are proven for durability and compliance, but typically add 80–100g per wheelset.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs the tubeless-ready 21mm\/24mm inner width suitable for 32mm tires?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe 21mm internal is optimized for 28–32mm tires—ideal for endurance and all-road setups. The 24mm version accommodates 32–48mm tires for gravel\/CX use. Always refer to tire manufacturer ETRTO guidelines for bead seat compatibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"gfai-product-faq\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat performance benefit does a blade carbon spoke offer on 50mm carbon wheels?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eBlade carbon spokes reduce turbulence at the spoke interface and provide a direct, responsive wheel feel. This translates to improved power transfer during accelerations, stiffer wheel build, and marginally better crosswind handling at higher speeds.\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 PRM 50R Carbon Disc Wheelset 700C – 50mm Deep, Tubeless, Blade Carbon Spokes, 1230g\",\n  \"description\": \"The Bola PRM 50R 700C carbon disc wheelset delivers 50mm mid-depth aerodynamics, only 1230g weight, and blade carbon spokes for enhanced acceleration and ride stability. Designed for both road and gravel scenarios, it supports tubeless tires and is REACH\/ISO certified, offering riders an optimized balance of speed, versatility, and reliability. Key Features \u0026 Specs Rim Depth: 50mm mid-profile for aerodynamic performance and crosswind control Internal Width: 21mm (road), 24mm (gravel\/CX) – supports wider, modern tires External Width: 28mm or 30mm to fit a range of tire sizes Total Weight: 1230g (set, without tape\/valves) Spokes: 20F\/20R, straight-pull, blade carbon, 2-cross lacing Compatibility: Disc brake only; tubeless-ready clincher design Certifications: ISO 4210-7, REACH compliant Material: Toray carbon rims, in-house engineered hubs Warranty: 24-month global coverage; crash replacement policy How it Compares Feature Bola PRM 50R Mid-High Performance Model (e.g., HUNT 50 Carbon Disc) Rim Depth 50mm mid-profile 50mm U\/V profile Internal Rim Width 21mm (road), 24mm (gravel\/CX) 22–23mm (road; some models only) Total Weight 1230g (no tape\/valves) 1450g–1550g Spokes Blade carbon spokes Sapim CX-Ray steel spokes Compatibility Road \u0026 gravel, tubeless-ready Primarily road, tubeless-ready Certifications ISO 4210-7, REACH None specified (varies) Warranty 24 months, crash replacement 12–36 months, brand dependent Retail Price Factory-direct, cost-effective Mid-high retail + brand markup Recommended Use Cases Upgrading endurance road bikes for faster rolling and improved comfort over long distances Boosting gravel bike efficiency on mixed terrain with 24mm wide tubeless set-up Disc brake, tubeless conversion for increased puncture resistance and lower rolling resistance Racing or training with rapid acceleration and maintained stability in crosswinds (50mm rim) OEM\/custom builds for retailers needing a reliable, all-conditions carbon option for resale Frequently Asked Questions Are 50mm carbon disc wheels good for both road and gravel riding? Yes. The Bola PRM 50R features both 21mm and 24mm internal rim widths, making it compatible with modern road and gravel tires. ISO 4210-7 and REACH compliance ensure structural reliability across both riding conditions. What is the actual weight advantage of a 1230g carbon wheelset for racing? At 1230g (set, no tape\/valves), this wheelset is among the lightest in the 50mm disc segment. Factor in acceleration and climbing efficiency—lighter wheels reduce rotational mass, contributing to noticeable improvements in sustained efforts and rapid transitions, which benefits both competitive and endurance riders. How do blade carbon spokes on Bola PRM 50R compare to Sapim CX Ray spokes? Blade carbon spokes deliver lower aerodynamic drag and increased lateral stiffness compared to steel spokes (e.g., Sapim CX Ray), with further weight reduction. Carbon spokes are ideal for riders seeking a reactive, high-efficiency feel for competitive use. Sapim CX Ray steel spokes are proven for durability and compliance, but typically add 80–100g per wheelset. Is the tubeless-ready 21mm\/24mm inner width suitable for 32mm tires? The 21mm internal is optimized for 28–32mm tires—ideal for endurance and all-road setups. The 24mm version accommodates 32–48mm tires for gravel\/CX use. Always refer to tire manufacturer ETRTO guidelines for bead seat compatibility. What performance benefit does a blade carbon spoke offer on 50mm carbon wheels? Blade carbon spokes reduce turbulence at the spoke interface and provide a direct, responsive wheel feel. This translates to improved power transfer during accelerations, stiffer wheel build, and marginally better crosswind handling at higher speeds.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"Carbon Disc Brake Road \u0026 Gravel Wheelsets\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitebladecswheel.png?v=1780298567\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/black_blade_cs_wheels.png?v=1780298568\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/black_blade_cs_valve.png?v=1780298569\"\n  ],\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"availability\": \"https:\/\/schema.org\/OutOfStock\",\n    \"price\": \"888.00\",\n    \"priceCurrency\": \"USD\",\n    \"url\": \"https:\/\/bolacarbon.com\/products\/bola-prm-50r-carbon-disc-wheelset-700c-50mm-deep-21-24mm-inner-blade-carbon-spokes-tubeless-ready-1230g\",\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 carbon disc wheels good for both road and gravel riding?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The Bola PRM 50R features both 21mm and 24mm internal rim widths, making it compatible with modern road and gravel tires. ISO 4210-7 and REACH compliance ensure structural reliability across both riding conditions.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the actual weight advantage of a 1230g carbon wheelset for racing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"At 1230g (set, no tape\/valves), this wheelset is among the lightest in the 50mm disc segment. Factor in acceleration and climbing efficiency—lighter wheels reduce rotational mass, contributing to noticeable improvements in sustained efforts and rapid transitions, which benefits both competitive and endurance riders.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do blade carbon spokes on Bola PRM 50R compare to Sapim CX Ray spokes?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Blade carbon spokes deliver lower aerodynamic drag and increased lateral stiffness compared to steel spokes (e.g., Sapim CX Ray), with further weight reduction. Carbon spokes are ideal for riders seeking a reactive, high-efficiency feel for competitive use. Sapim CX Ray steel spokes are proven for durability and compliance, but typically add 80–100g per wheelset.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the tubeless-ready 21mm\/24mm inner width suitable for 32mm tires?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 21mm internal is optimized for 28–32mm tires—ideal for endurance and all-road setups. The 24mm version accommodates 32–48mm tires for gravel\/CX use. Always refer to tire manufacturer ETRTO guidelines for bead seat compatibility.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What performance benefit does a blade carbon spoke offer on 50mm carbon wheels?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Blade carbon spokes reduce turbulence at the spoke interface and provide a direct, responsive wheel feel. This translates to improved power transfer during accelerations, stiffer wheel build, and marginally better crosswind handling at higher speeds.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"28\/21 mm \/ Shimano HG \/ Black Bola","offer_id":48267766989054,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Shimano HG \/ White Bola","offer_id":48267767021822,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Shimano HG \/ Customized","offer_id":48267767054590,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ Black Bola","offer_id":48267767087358,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ White Bola","offer_id":48267767120126,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Sram  XDR \/ Customized","offer_id":48267767152894,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ Black Bola","offer_id":48267767185662,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ White Bola","offer_id":48267767218430,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"28\/21 mm \/ Compy \/ Customized","offer_id":48267767251198,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ Black Bola","offer_id":48267767283966,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ White Bola","offer_id":48267767316734,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Shimano HG \/ Customized","offer_id":48267767349502,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ Black Bola","offer_id":48267767382270,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ White Bola","offer_id":48267767415038,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Sram  XDR \/ Customized","offer_id":48267767447806,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ Black Bola","offer_id":48267767480574,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ White Bola","offer_id":48267767513342,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true},{"title":"30\/24 mm \/ Compy \/ Customized","offer_id":48267767546110,"sku":null,"price":888.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/whitebladecswheel.png?v=1780298567","url":"https:\/\/bolacarbon.com\/ru\/products\/bola-prm-50r-carbon-disc-wheelset-700c-50mm-deep-21-24mm-inner-blade-carbon-spokes-tubeless-ready-1230g","provider":"Bola Carbon Wheelset ","version":"1.0","type":"link"}