{"product_id":"bola-700c-carbon-tubeless-rim-60mm-28mm","title":"Bola 700c Carbon Tubeless Road Rim – 60mm Deep, 28mm Wide","description":"\u003ch2\u003eBola 700c Carbon Tubeless Road Rim — 60mm Deep, 28mm Wide\u003c\/h2\u003e\n\u003cp\u003eHigh-performance 700c carbon rim engineered for road racing, endurance and lightweight builds. The U-shaped 60mm deep profile with a 28mm outer width balances aerodynamic efficiency with stability across crosswinds while offering increased tire volume for improved compliance and rolling resistance.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWheel size: 700c\u003c\/li\u003e\n\u003cli\u003eRim profile: U-shape, depth 60mm\u003c\/li\u003e\n\u003cli\u003eOuter width: 28mm; inner width: 21mm (hooked) or 23mm (hookless)\u003c\/li\u003e\n\u003cli\u003eERD: 518mm\u003c\/li\u003e\n\u003cli\u003eValve hole: 6.5mm (customizable); spoke hole: 4.5mm (customizable)\u003c\/li\u003e\n\u003cli\u003eAssembly hole: 7.5mm (customizable); nipple angles: 7° front \/ 5°–7° rear (customizable)\u003c\/li\u003e\n\u003cli\u003eRecommended tire pressures: 100–125 psi max; max rider weight: 120 kg (264 lb)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWeight Grades\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStandard: 535 ±15 g — training and durability-focused builds\u003c\/li\u003e\n\u003cli\u003eSuper Light: 485 ±10 g — all-round racing\u003c\/li\u003e\n\u003cli\u003eUltra Light: 455 ±10 g — climbing and lightweight builds\u003c\/li\u003e\n\u003cli\u003eExtreme Light: 435 ±10 g — weight-optimized race builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance \u0026amp; Tolerances\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eForward compressive strength: \u0026gt;300 kg; lateral torsion resistance: \u0026gt;50 kg\u003c\/li\u003e\n\u003cli\u003eSpoke hole tension rating: \u0026gt;280 kg; dynamic equilibrium \u0026lt;3 g\u003c\/li\u003e\n\u003cli\u003eFlatness tolerance \u0026lt;0.15 mm; roundness tolerance \u0026lt;0.3 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHooked vs Hookless\u003c\/h2\u003e\n\u003cp\u003eHooked (21mm inner) is compatible with standard clincher and tubeless tires and suits mixed-surface use or higher-pressure needs. Hookless (23mm inner) increases air volume and ride compliance and is recommended with ETRTO-approved hookless-compatible tires at lower pressures (typically 72–87 psi).\u003c\/p\u003e\n\u003ch2\u003eCompatibility \u0026amp; Build Notes\u003c\/h2\u003e\n\u003cp\u003eRims are tubeless-ready from the factory and work with standard road hubs (100mm front \/ 130mm or 142mm rear). Supports center-lock or 6-bolt disc options and accepts custom hole diameters on request.\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/20 \/ Standard","offer_id":48646310854910,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 20\/20 \/ Standard","offer_id":48646310887678,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble  Matt \/ 20\/20 \/ Standard","offer_id":48646310920446,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 20\/20 \/ Standard","offer_id":48646310953214,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Superlight","offer_id":48646310985982,"sku":null,"price":320.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ Ultralight","offer_id":48646311018750,"sku":null,"price":330.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ 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