{"product_id":"bola-30mm-inner-width-tubeless-ready-carbon-road-rim-700c-30mm-high-335-420g","title":"Bola 30mm Inner Width Tubeless Ready Carbon Road Rim – 700C, 30mm High, 335–420g","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eSuperior Performance with the 30mm Tubeless Carbon Road Rim\u003c\/h2\u003e\n\u003cp\u003eA 700C carbon road rim with a 30mm inner width and 30mm profile height, designed for tubeless-ready builds on road, endurance, and light gravel setups. Available in four weight tiers — from a race-optimised 335 g to a training-grade 420 g — letting riders balance durability and weight savings based on their use case.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Standard\u003c\/td\u003e\n\u003ctd\u003e700C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Shape\u003c\/td\u003e\n\u003ctd\u003eU \/ V Profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRim Height\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Width\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Width\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eERD\u003c\/td\u003e\n\u003ctd\u003e578 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpoke Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5 mm (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNipple Direction (Front \/ Rear)\u003c\/td\u003e\n\u003ctd\u003e7° \/ 5° \u0026amp; 7° (customisable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin \/ Max Tyre Pressure\u003c\/td\u003e\n\u003ctd\u003e100 \/ 125 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Rider Weight\u003c\/td\u003e\n\u003ctd\u003e100 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlatness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoundness Tolerance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic Balance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 3 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWeight Variants\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTier\u003c\/th\u003e\n\u003cth\u003eWeight (per rim)\u003c\/th\u003e\n\u003cth\u003eRecommended Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003e420 ± 15 g\u003c\/td\u003e\n\u003ctd\u003eTraining, commuting, everyday builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuperlight\u003c\/td\u003e\n\u003ctd\u003e380 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eEndurance racing, gran fondo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltralight\u003c\/td\u003e\n\u003ctd\u003e355 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eRoad racing, climbing-focused builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtreme Light\u003c\/td\u003e\n\u003ctd\u003e335 ± 10 g\u003c\/td\u003e\n\u003ctd\u003eElite racing, strict weight-limit builds (\u0026lt; 100 kg rider)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eStructural Strength Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForward Compressive Strength:\u003c\/strong\u003e \u0026gt; 300 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLateral Torsion Resistance:\u003c\/strong\u003e \u0026gt; 50 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpoke Hole Tension:\u003c\/strong\u003e \u0026gt; 280 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy 30mm Inner Width?\u003c\/h2\u003e\n\u003cp\u003eA 30 mm inner width supports tyre widths from 25 mm up to 40 mm, complying with ETRTO 2020 guidelines that recommend inner rim width ≥ 105% of the mounted tyre's casing width. Compared to traditional 19–21 mm inner-width rims, the wider bed reduces tyre sidewall pinch, lowers rolling resistance on 28–32 mm tyres, and improves cornering stability at lower pressures — a measurable advantage for endurance road and mixed-surface riding.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eTradeoff to consider:\u003c\/em\u003e The 36 mm outer width adds marginal aerodynamic drag vs. a narrower 28 mm outer rim at speeds below 35 km\/h, but delivers superior tyre support and tubeless seating reliability.\u003c\/p\u003e\n\u003ch2\u003eTubeless Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe rim bed is machined for tubeless-ready (TLR) tape and valve compatibility. The 6.5 mm valve hole accepts standard 44 mm and 60 mm tubeless valves. Sealant capacity is sufficient for 28–38 mm tyre volumes.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this rim suitable for gravel riding?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The 30 mm inner width accommodates tyres up to 40 mm, and the 100–125 psi pressure range supports both road and light gravel tyre pressures. For aggressive gravel use, the Normal (420 g) or Superlight (380 g) tier is recommended for added impact resistance.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the safe weight limit for the Extreme Light (335 g) variant?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Extreme Light rim is rated for riders up to 100 kg (combined rider + gear weight). The spoke hole tension rating of \u0026gt; 280 kg and compressive strength of \u0026gt; 300 kg apply across all weight tiers, but reduced wall thickness in the Extreme Light variant makes it best suited to smooth road surfaces and controlled racing conditions.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does this rim compare to a traditional 25 mm outer-width rim for aerodynamics?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eAt the 30 mm profile height, aerodynamic gains over a shallow 25 mm rim are modest (most wind tunnel data shows \u0026lt; 5 W savings below 45 km\/h). The primary advantage of this rim is tyre volume optimisation and tubeless reliability rather than deep-section aero performance.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat spoke count and nipple types are compatible?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe 4.5 mm spoke holes are compatible with standard J-bend and straight-pull spokes. Nipple direction is 7° front and 5°\/7° rear (customisable on request), suitable for 2-cross and 3-cross lacing patterns on most road and endurance hubs.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes this rim come with a warranty?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Bola offers a 3-year manufacturer warranty covering structural defects. Warranty is valid for riders within the 100 kg weight limit using tyres within the specified 100–125 psi pressure range.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eLightweight Design for Enhanced Speed and Efficiency\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Bola 30mm tubeless carbon road rim combines a lightweight frame weighing between 335 to 420 grams with a 30mm inner width, allowing cyclists to benefit from improved speed and ride quality. This carbon rim balances strength and minimal weight, making it ideal for competitive road cycling where efficiency and performance are crucial. Its tubeless-ready design also reduces rolling resistance, giving riders a smoother, faster ride on every road.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDurable Construction Ensuring Long-Term Reliability\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCrafted with high-quality carbon fiber, this tubeless carbon road rim guarantees both strength and durability, suitable for the rigors of long-distance rides and daily training sessions. The 30mm inner width supports a variety of tire sizes and enhances tire stability, reducing the risk of pinch flats and improving cornering confidence. The robust construction also prevents damage from rough roads, making it a reliable choice for endurance cyclists.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eOptimized Tubeless Ready Features for Better Ride Quality\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Bola rim’s tubeless-ready technology permits easy setup with tubeless tires, offering improved puncture resistance and enhanced ride comfort. This design eliminates the need for an inner tube, reducing overall weight and decreasing the chance of flats. Compatible with 700C wheels and featuring a 30mm rim height, it provides excellent aerodynamics, ensuring that riders maintain speed without compromising on comfort or control.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/20 \/ Standard","offer_id":48132760469758,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Superlight","offer_id":48132760502526,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Ultralight","offer_id":48132760535294,"sku":null,"price":340.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Extremelight","offer_id":48132760568062,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ Standard","offer_id":48132760600830,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 24\/24 \/ 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