{"product_id":"bola-700c-40mm-asymmetric-carbon-tubeless-rim","title":"Bola 700c 40mm Asymmetric Carbon Tubeless Rim, 28mm Outer Width (T700\/T800)","description":"\u003cp\u003eRide with purposeful efficiency on long road days or mixed-surface gravel routes using a rim engineered for stability, aerodynamics, and weight-conscious builds. The Bola 700c 40mm asymmetric carbon tubeless rim blends high-strength Toray carbon with a tubeless-ready profile so you can prioritize speed, comfort, and predictable handling in endurance and competitive settings.\u003c\/p\u003e\n\u003ch2\u003eBola 700c 40mm Asymmetric Carbon Tubeless Rim - Designed for road and gravel performance\u003c\/h2\u003e\n\u003cp\u003eThe asymmetric U-shape and 28mm outer width are tuned to equalize spoke tensions and improve lateral stiffness, delivering a planted feel under power and consistent wheel behavior across long miles. Tubeless-ready construction and ETRTO\/ISO 622 compatibility allow lower pressures for added comfort and rolling efficiency without sacrificing puncture resistance when used with recommended 25–32mm tubeless tires.\u003c\/p\u003e\n\u003cp\u003eComfort and confidence come from construction and precision control: T700\/T800 unidirectional carbon fiber provides high strength-to-weight characteristics while dynamic balance, flatness, and roundness tolerances (less than 3g, 0.15mm, and 0.3mm respectively) support smooth, durable wheel builds that retain performance over time.\u003c\/p\u003e\n\u003ch3\u003eWhy it fits your routine\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized material blend:\u003c\/strong\u003e Built from T700\/T800 unidirectional carbon fiber for a balance of stiffness and resilience suitable for endurance riding and competitive applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAsymmetric profile:\u003c\/strong\u003e Offsets flange positions to equalize left\/right spoke tensions, improving lateral stiffness and wheel durability—particularly beneficial for disc brake setups and high-load conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless-ready versatility:\u003c\/strong\u003e Hookless or hooked bead options and ETRTO\/ISO 622 compliance support tubeless setups for 25–32mm tires, enabling lower pressures for improved comfort and traction on varied surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple width and weight choices:\u003c\/strong\u003e 28mm outer width with 21mm or 23mm inner widths, and selectable weight options (350g Extreme-Light, 370g Ultra-Light, 390g Super-Light, 425g Standard) to match priorities from absolute weight savings to added robustness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake and hub compatibility:\u003c\/strong\u003e Designed to work with disc and rim brake configurations and compatible with standard road hub fittings; spoke holes sized at 4.5mm support common J-bend and straight-pull spoke types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision and quality control:\u003c\/strong\u003e Dynamic balance tested (\u0026lt;3g), flatness \u0026lt;0.15mm, roundness \u0026lt;0.3mm—measures that contribute to smoother rolls and reliable wheel builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad and service support:\u003c\/strong\u003e Rated for riders up to 100kg and backed by a 3-year warranty against manufacturing defects to support long-term ownership and workshop use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM and custom build ready:\u003c\/strong\u003e Suited for aftermarket wheel builds, OEM projects, workshops, and suppliers seeking an ISO-certified carbon rim with consistent manufacturing standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKey specifications include 700c (ISO 622) diameter, 40mm depth in an asymmetric U-shape, 28mm external width, inner width 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