{"product_id":"bola-30mm-tubeless-carbon-rim-700c","title":"Bola 30mm Inner Width Tubeless-Ready Carbon Road Rim — 700C, 30mm Profile, 335–420 g","description":"\u003cp\u003eImagine a rim that lets you run wider, more comfortable tyres without sacrificing the responsive feel you expect from carbon wheels. The Bola 30mm inner width tubeless-ready rim is built for riders who move between fast road miles, long endurance days, and light gravel detours, offering selectable weight tiers so you can prioritise durability or outright weight savings.\u003c\/p\u003e\n\u003ch2\u003eBola 30mm Inner Width Tubeless Carbon Road Rim - Designed for road, endurance and light gravel\u003c\/h2\u003e\n\u003cp\u003eRide comfort and confidence improve when tyre volume is optimised. This rim’s 30 mm inner bed supports tyres from 25 mm up to 40 mm, improving sidewall support, reducing pinch risks, and allowing lower pressures for better grip and reduced rolling resistance on 28–32 mm tyres. The 30 mm profile height balances handling and ride stability while the 36 mm outer width provides reliable tubeless seating and tyre support.\u003c\/p\u003e\n\u003cp\u003eAvailable in four weight variants (Normal 420 g, Superlight 380 g, Ultralight 355 g, Extreme Light 335 g per rim), the rim adapts to training, endurance events, racing, or strict weight-limited builds. Each variant retains consistent structural ratings so riders can select the best compromise between toughness and mass for their intended terrain.\u003c\/p\u003e\n\u003ch3\u003eWhy it fits your routine\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile tyre compatibility:\u003c\/strong\u003e 30 mm inner width supports 25–40 mm tyres and follows ETRTO guidance for better tyre-to-rim matching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless-ready construction:\u003c\/strong\u003e Machined rim bed accepts TLR tape and 6.5 mm valve holes for standard 44 mm and 60 mm valves, with adequate sealant capacity for 28–38 mm tyre volumes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoice of weight tiers:\u003c\/strong\u003e Pick Normal (420 g) for training and everyday use, Superlight (380 g) for endurance and gran fondos, Ultralight (355 g) for climbing-focused road racing, or Extreme Light (335 g) for elite racing on smooth roads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust structural ratings:\u003c\/strong\u003e Forward compressive strength \u0026gt; 300 kg, lateral torsion resistance \u0026gt; 50 kg, and spoke hole tension \u0026gt; 280 kg across tiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision manufacturing:\u003c\/strong\u003e ERD 578 mm, valve hole 6.5 mm (customisable), spoke hole 4.5 mm (customisable), assembly hole 7.5 mm (customisable), flatness \u0026lt; 0.15 mm, roundness \u0026lt; 0.3 mm, dynamic balance \u0026lt; 3 g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRider and tyre limits:\u003c\/strong\u003e Rated for riders up to 100 kg and tyre pressure range 100–125 psi when used within specified tyre sizes and configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerformance trade-offs are explicit: the 36 mm outer width can produce marginally higher aerodynamic drag versus narrower 28 mm outer rims at speeds below about 35 km\/h, but it delivers superior tyre support and reliable tubeless seating which improves real-world ride quality and puncture resilience.\u003c\/p\u003e\n\u003cp\u003eCompatibility notes include acceptance of standard J-bend and straight-pull spokes, 4.5 mm spoke holes, and nipple direction options (7° front; 5° \u0026amp; 7° rear customisable) suited to common lacing patterns. The rim is a practical match for mixed-surface riding where tyre volume, tubeless reliability, and structural strength matter as much as weight. Bola provides a 3-year manufacturer warranty covering structural defects for riders within the 100 kg limit and using tyres and pressures within the specified ranges.\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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