{"product_id":"bola-prm-40g-700c-carbon-gravel-disc-wheelset-40mm-deep-36mm-wide-carbon-blade-spokes-tubeless-ready-1200g","title":"Bola PRM 40G 700C Carbon Gravel Disc Wheelset – 40mm Deep, 36mm Wide, Carbon Blade Spokes, Tubeless Ready, 1200g","description":"\u003cp\u003eThe Bola PRM 40G 700C Carbon Gravel Disc Wheelset combines a 40mm deep, 36mm wide T800 carbon rim and straight-pull blade carbon spokes for optimal performance on mixed terrain. Engineered for both road and off-road use, the 30mm internal rim width enhances tire stability, supporting wider tubeless gravel tires (up to 50c) for improved comfort and control. Weighing just 1200 g per set (without tape\/valves), this wheelset meets ISO 4210-7 safety standards and is REACH-compliant, providing lightweight durability without sacrificing reliability.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Depth:\u003c\/strong\u003e 40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Rim Width:\u003c\/strong\u003e 30 mm  |  \u003cstrong\u003eExternal Width:\u003c\/strong\u003e 36 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T800 UD or Marble Matte Carbon Fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Straight-pull blade carbon, 20 front\/rear, 2-cross lacing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub:\u003c\/strong\u003e Aluminum BL350, Enduro bearings, 54T ratchet, Center Lock disc, 12x100mm\/12x142mm thru-axle \u0026amp; QR compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Ready:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet Weight:\u003c\/strong\u003e 1200g (no tape\/valves)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ISO 4210-7, REACH-compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSupports wider gravel tires for improved grip and compliance on variable surfaces\u003c\/li\u003e\n\u003cli\u003eAerodynamic 40mm depth balances stability and speed on both paved and rough roads\u003c\/li\u003e\n\u003cli\u003eStraight-pull blade carbon spokes enhance lateral stiffness for precise handling under load\u003c\/li\u003e\n\u003cli\u003eReady for modern tubeless setups, maximizing puncture resistance and ride comfort\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification Comparison Table\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eBola PRM 40G\u003c\/th\u003e\n\u003cth\u003eCompetitor Avg.\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\u003e40mm\u003c\/td\u003e\n\u003ctd\u003e40–44mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Width\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003ctd\u003e21–27mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (set)\u003c\/td\u003e\n\u003ctd\u003e1200g\u003c\/td\u003e\n\u003ctd\u003e1335–1350g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpokes\u003c\/td\u003e\n\u003ctd\u003eCarbon, Blade\u003c\/td\u003e\n\u003ctd\u003eSteel\/Alloy, Aero\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubeless Ready\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub Engagement\u003c\/td\u003e\n\u003ctd\u003e54T\u003c\/td\u003e\n\u003ctd\u003e36T–54T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eReal-World Tradeoffs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWhile the 40mm rim offers strong aerodynamic advantages, it may be less optimal for high-wind conditions compared to lower-profile options.\u003c\/li\u003e\n\u003cli\u003eThe all-carbon spoke construction reduces weight but may require specialist attention for repairs.\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 40mm deep carbon gravel wheels good for both road and off-road riding?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the 40mm depth and 36mm external width balance aerodynamic efficiency for road use with off-road stability, making them suitable for mixed-terrain cycling.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does a 1200g 700C carbon wheelset compare to alloy options for gravel bikes?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe 1200g set weight is significantly lighter than typical alloy gravel wheelsets (often 1500g+), offering faster acceleration and climbing benefits.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat are the benefits of straight-pull blade carbon spokes on gravel wheelsets?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eStraight-pull blade carbon spokes improve lateral stiffness and reduce rotational weight, enhancing responsiveness and ride feel on challenging surfaces.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this wheelset compatible with tubeless tires and thru-axle setups?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the rim is tubeless-ready and compatible with standard gravel tubeless tires; hubs support both 12x100mm\/12x142mm thru-axle and QR systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"gfai-product-faq\" open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWill wider 36mm carbon rims improve tire stability and comfort on mixed terrain?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe wide rim profile supports larger tire volumes (up to 50c), resulting in better tire stability, lower pressure capability, improved grip, and increased compliance on rough surfaces.\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 40G Disc Brake Carbon Gravel Wheelset –  700C 40mm Deep, 36mm wide,Blade Carbon Spokes, Tubeless Ready, 1230g（副本）\",\n  \"description\": \"The Bola PRM 40G 700C Carbon Gravel Disc Wheelset combines a 40mm deep, 36mm wide T800 carbon rim and straight-pull blade carbon spokes for optimal performance on mixed terrain. Engineered for both road and off-road use, the 30mm internal rim width enhances tire stability, supporting wider tubeless gravel tires (up to 50c) for improved comfort and control. Weighing just 1230 g per set (without tape\/valves), this wheelset meets ISO 4210-7 safety standards and is REACH-compliant, providing lightweight durability without sacrificing reliability. Technical Specifications Rim Depth: 40 mm Internal Rim Width: 30 mm \u0026nbsp;|\u0026nbsp; External Width: 36 mm Material: T800 UD or Marble Matte Carbon Fiber Spokes: Straight-pull blade carbon, 20 front\/rear, 2-cross lacing Hub: Aluminum BL300, Enduro bearings, 54T ratchet, Center Lock disc, 12x100mm\/12x142mm thru-axle \u0026 QR compatible Tubeless Ready: Yes Set Weight: 1230g (no tape\/valves) Certifications: ISO 4210-7, REACH-compliant Performance and Use Cases Supports wider gravel tires for improved grip and compliance on variable surfaces Aerodynamic 40mm depth balances stability and speed on both paved and rough roads Straight-pull blade carbon spokes enhance lateral stiffness for precise handling under load Ready for modern tubeless setups, maximizing puncture resistance and ride comfort Specification Comparison Table Feature Bola PRM 40G Competitor Avg. Rim Depth 40mm 40–44mm Internal Width 30mm 21–27mm Weight (set) 1230g 1335–1350g Spokes Carbon, Blade Steel\/Alloy, Aero Tubeless Ready Yes Yes Hub Engagement 54T 36T–54T Real-World Tradeoffs While the 40mm rim offers strong aerodynamic advantages, it may be less optimal for high-wind conditions compared to lower-profile options. The all-carbon spoke construction reduces weight but may require specialist attention for repairs. Frequently Asked Questions Are 40mm deep carbon gravel wheels good for both road and off-road riding? Yes, the 40mm depth and 36mm external width balance aerodynamic efficiency for road use with off-road stability, making them suitable for mixed-terrain cycling. How does a 1230g 700C carbon wheelset compare to alloy options for gravel bikes? The 1230g set weight is significantly lighter than typical alloy gravel wheelsets (often 1500g+), offering faster acceleration and climbing benefits. What are the benefits of straight-pull blade carbon spokes on gravel wheelsets? Straight-pull blade carbon spokes improve lateral stiffness and reduce rotational weight, enhancing responsiveness and ride feel on challenging surfaces. Is this wheelset compatible with tubeless tires and thru-axle setups? Yes, the rim is tubeless-ready and compatible with standard gravel tubeless tires; hubs support both 12x100mm\/12x142mm thru-axle and QR systems. Will wider 36mm carbon rims improve tire stability and comfort on mixed terrain? The wide rim profile supports larger tire volumes (up to 50c), resulting in better tire stability, lower pressure capability, improved grip, and increased compliance on rough surfaces.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Carbon Fiber Sporting Goods\"\n  },\n  \"category\": \"Carbon Disc Road \u0026 Gravel Wheelsets\",\n  \"image\": [\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/black_blade_cs_wheel.png?v=1779869610\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/white_blade_cs_wheel.png?v=1779869610\",\n    \"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/8492\/0062\/files\/black_blade_cs_valve.png?v=1779868003\"\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-40g-disc-brake-carbon-gravel-wheelset-700c-40mm-deep-36mm-wide-blade-carbon-spokes-tubeless-ready-1230g-副本\",\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 40mm deep carbon gravel wheels good for both road and off-road riding?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the 40mm depth and 36mm external width balance aerodynamic efficiency for road use with off-road stability, making them suitable for mixed-terrain cycling.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does a 1230g 700C carbon wheelset compare to alloy options for gravel bikes?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 1230g set weight is significantly lighter than typical alloy gravel wheelsets (often 1500g+), offering faster acceleration and climbing benefits.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are the benefits of straight-pull blade carbon spokes on gravel wheelsets?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Straight-pull blade carbon spokes improve lateral stiffness and reduce rotational weight, enhancing responsiveness and ride feel on challenging surfaces.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this wheelset compatible with tubeless tires and thru-axle setups?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the rim is tubeless-ready and compatible with standard gravel tubeless tires; 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