{"product_id":"bola-700c-30mm-asymmetric-carbon-tubeless-rim-28mm-wide","title":"Bola 700c 30mm Asymmetric Carbon Tubeless Rim, 28mm Wide","description":"\u003cp\u003eThe Bola 700c 30mm asymmetric carbon tubeless rim provides high-strength, aerodynamically optimized wheel performance for road and gravel cyclists seeking a technical edge. Built with premium T700\/T800 unidirectional carbon fiber, this rim supports disc and rim brake setups with multiple inner width and bead options, offering weight-optimized choices for competitive wheel builds and endurance riding needs.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T700\/T800 unidirectional carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 700c (ISO 622)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 30mm asymmetric U-shape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 28mm outer, 21mm or 23mm inner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Hookless or hooked bead, tubeless-ready, supports disc and rim brake hubs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Options:\u003c\/strong\u003e 320g (Extreme-Light), 340g (Ultra-Light), 360g (Super-Light), 400g (Standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole:\u003c\/strong\u003e 4.5mm, for standard road hub fitment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Rider Weight:\u003c\/strong\u003e 100kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Tire Size:\u003c\/strong\u003e 25–32mm tubeless (ETRTO\/ISO 622)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ISO 622, ETRTO-compatible bead, Dynamic balance tested (\u0026lt;3g), Flatness (\u0026lt;0.15mm), Roundness (\u0026lt;0.3mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years, against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow it Compares\u003cem\u003e\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003ch2\u003eRecommended Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade for lightweight and aerodynamic road bike wheelsets\u003c\/li\u003e\n\u003cli\u003eEndurance and long-distance riding with stability and comfort\u003c\/li\u003e\n\u003cli\u003eCustom wheel builds for amateur racing, triathlons, and gravel cycling\u003c\/li\u003e\n\u003cli\u003eOEM and aftermarket wheel projects for disc or rim brake bikes\u003c\/li\u003e\n\u003cli\u003eB2B: Wheel suppliers and workshops seeking ISO-certified, cost-effective carbon rims\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat advantages does an asymmetric carbon rim offer for road and gravel cycling?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe asymmetric profile helps equalize left\/right spoke tensions, resulting in improved lateral stiffness and wheel durability, especially important for disc brake and high-load endurance applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this rim suitable for both tubeless and tube-type tires?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, Bola 700c 45mm asymmetric carbon rims are tubeless-ready according to ETRTO\/ISO 622 standards, but also compatible with traditional inner tube setups if preferred.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat hub and spoke types fit this rim?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eDesigned for 4.5mm spoke holes, compatible with standard J-bend and straight-pull spokes, fitting both disc brake and rim brake hubs (Center Lock\/6-bolt or QR\/bolt-on; specify at order).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eIs the warranty truly global and what does it cover?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eBola provides a 3-year warranty from date of purchase covering manufacturing defects in materials or workmanship. Rider misuse, accidents, and non-standard assembly are excluded per policy. Global after-sales support is available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does this rim compare to premium-brand carbon rims?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eWhile major brands offer similar Toray carbon material and rim specs, Bola eliminates the high brand premium by supplying directly from the factory, maintaining strict quality control and warranty standards. This offers a balance of price and reliable performance for both amateur racers and intensive riders.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003eBola 700c 45mm asymmetric carbon rim delivers high-strength, aerodynamic performance for road and gravel cyclists. Compatible with disc and rim brakes, its tubeless-ready U-shape supports efficient, lightweight builds. Each rim uses T700\/T800 unidirectional carbon fiber, meeting ISO and ETRTO standards for reliability, precision, and versatility in endurance or racing scenarios.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/20 \/ Standard","offer_id":48646322323710,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Superlight","offer_id":48646322356478,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Ultralight","offer_id":48646322389246,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Extremelight","offer_id":48646322422014,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Standard","offer_id":48646322454782,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ 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