{"product_id":"bola-700c-carbon-tubeless-55mm-28mm","title":"Bola 700c Carbon Tubeless Road Rim — 55mm Depth, 28mm Outer Width (Hooked or Hookless)","description":"\u003cp\u003eRoll into long efforts, breakaway sprints, or steep climbs with a rim engineered to balance aero performance, tire volume, and structural strength. The Bola 700c Carbon Tubeless Road Rim pairs a 55mm U-shaped profile with a 28mm outer width to create a stable aero platform for modern road tires.\u003c\/p\u003e\n\u003cp\u003eChoose hooked or hookless bead options and a range of weight grades to match race, training, or lightweight climbing builds.\u003c\/p\u003e\n\u003ch2\u003eBola 700c Carbon Tubeless Road Rim - Designed for road performance and racing\u003c\/h2\u003e\n\u003cp\u003eThe rim’s wider 28mm outer width and U-shaped 55mm profile deliver an aerodynamic shape that integrates smoothly with 28–32c tires for reduced aerodynamic drag. With tubeless-ready construction straight from the factory and selectable inner widths (21mm hooked or 23mm hookless), the rim supports lower pressures for improved compliance while maintaining compatibility with standard road hub spacing and disc configurations.\u003c\/p\u003e\n\u003ch3\u003eWhy it fits your routine\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile compatibility:\u003c\/strong\u003e 700c sizing with options for hooked (21mm inner) or hookless (23mm inner) beads to match your tire choice and riding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerodynamic advantage:\u003c\/strong\u003e 55mm depth and 28mm outer width provide a continuous aero profile with wider road tires to reduce the light-bulb effect when paired with 28–32c tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless-ready out of the box:\u003c\/strong\u003e No conversion tape required on the rim bed, simplifying setup for modern tubeless road tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange of weight grades:\u003c\/strong\u003e Select from Standard (515±15 g), Super Light (465±10 g), Ultra Light (445±10 g), or Extreme Light (425±10 g) per rim to prioritize durability or climbing performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural performance:\u003c\/strong\u003e Forward compressive strength \u0026gt;300 kg, lateral torsion resistance \u0026gt;50 kg, and spoke hole tension rating \u0026gt;280 kg for durable builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision tolerances:\u003c\/strong\u003e Dynamic equilibrium \u0026lt;3 g, flatness tolerance \u0026lt;0.15 mm, and roundness tolerance \u0026lt;0.3 mm to support balanced high-speed performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure \u0026amp; load limits:\u003c\/strong\u003e Recommended tire pressures vary by setup; listed min\/max tire pressures are 100\/125 psi for appropriate tube\/tire combinations, and the rim supports a maximum rider weight of 120 kg (264 lb).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable details:\u003c\/strong\u003e ERD 528 mm with customizable valve hole (6.5 mm), spoke hole (4.5 mm), and assembly hole (7.5 mm) diameters plus adjustable nipple angles for build optimization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHooked vs. hookless guidance:\u003c\/strong\u003e Hooked 21mm inner width fits a broad range of clincher and tubeless tires and suits mixed-surface or higher-pressure needs; hookless 23mm inner width increases air volume, improves ride compliance, and works with ETRTO-approved hookless-compatible tires at lower recommended pressures (typically 72–87 psi).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub and rotor compatibility:\u003c\/strong\u003e Compatible with standard road hub spacing (100mm front; 130mm or 142mm rear) and supports center-lock or 6-bolt disc configurations when specified at build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical riders and wheel builders will appreciate the clear ERD, spoke and valve hole specs, selectable bead design, and the multiple weight options that let you tune a wheelset for durability, all-round racing, or ultra-light climbing-focused builds.\u003c\/p\u003e","brand":"Carbon Fiber Sporting Goods","offers":[{"title":"UD Matt \/ 20\/20 \/ Standard","offer_id":48646301253886,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Glossy \/ 20\/20 \/ Standard","offer_id":48646301286654,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble  Matt \/ 20\/20 \/ Standard","offer_id":48646301319422,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"Marble Glossy \/ 20\/20 \/ Standard","offer_id":48646301352190,"sku":null,"price":310.0,"currency_code":"USD","in_stock":true},{"title":"UD Matt \/ 20\/20 \/ 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