Carbon Fiber Sporting Goods
700C Carbon Road Rim | 28mm Wide | 45mm & 50mm Depth | Disc Brake | 20/24-Spoke
700C Carbon Road Rim | 28mm Wide | 45mm & 50mm Depth | Disc Brake | 20/24-Spoke
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Bola 700C carbon road rims, with 28mm outer width and U-shape profile, are engineered for disc brake systems and high-performance road cycling. Choose between 45mm or 50mm rim depths, both offering a 22mm internal width for superior tire support and tubeless compatibility. Weight options range from 360g (Extreme Light) to 440g, supporting diverse riding disciplines from racing to long-distance endurance.
Discover the High-Performance 700c Carbon Road Disc Brake Rim
- Rim Profile: 700C (ISO 622), 28mm outer / 22mm inner width, U-shape design
- Depth Options: 45mm or 50mm for tailored aerodynamics
- Weight Tiers: 360g / 380g / 410g / 440g (±15g tolerance)
- Spoke Count: 20 or 24 (disc brake only)
- Construction: High-modulus toray-grade carbon, UD and woven layup
- Tubeless Compatible: Supports tubeless and clincher tires, 28–32mm recommended
- Max Rider Weight: 120 kg | Tire Pressure: 100–125 psi
- Valve Hole: 6.5mm standard (custom options available)
- Certifications: >300kg compressive, >280kg spoke tension, <0.3mm roundness, <0.15mm flatness
Rim Depth Comparison
| Depth | Wheel Use Case | Weight | Aero/Crosswind |
|---|---|---|---|
| 45mm | Climbing, mixed terrain | From 360g | Best crosswind stability |
| 50mm | Flat & rolling roads | From 370g | Max aerodynamics, tradeoff in crosswinds |
Application & Compatibility
- Ideal for competitive racing, endurance rides, and custom OEM builds
- Compatible with 700C disc brake road bikes, 24-hole disc hubs, and tubeless or clincher tires 28-32mm wide
- Manufactured to industry quality standards and documented testing tolerances
Frequently Asked Questions
What are the best 700C carbon rims for disc brake road bikes under 400 grams?
Bola offers 700C carbon disc rims starting at 360g (Extreme Light) and 380g (Light), rigorously tested for strength and reliability. Ideal for cyclists demanding ultralight weight without sacrificing durability.
Is a 28mm wide carbon rim better than 25mm for endurance cycling?
28mm width rims provide increased tire support and better stability, especially when paired with 28-32mm tires commonly used for endurance or comfort-focused cycling. This results in a smoother, more controlled ride on varied surfaces.
What's the difference between 45mm and 50mm carbon rims for climbing vs. flat roads?
45mm depth rims offer improved crosswind stability and are preferred for climbing and mixed terrain. 50mm rims maximise aerodynamic efficiency for flat or rolling courses, with a slight tradeoff in crosswind handling. Choose based on intended use.
Are ultralight carbon bike rims safe for everyday riding or just racing?
Bola carbon rims are independently tested for high compressive strength and spoke tension. While Extreme Light rims under 380g are optimal for racing, the Normal (440g) and Light (410g) weight options offer practical durability for daily use, including heavier riders (up to 120 kg).
Which carbon rim depth gives the best balance of aerodynamics and crosswind stability?
45mm depth strikes an optimal balance, providing aerodynamic gains while maintaining better control in windy conditions. 50mm is preferred where maximum aero is required but may be more challenging in gusty winds.
Superior Design and Construction
The 700c carbon road disc brake rim stands out with its precise engineering and high-quality carbon fiber construction. Featuring a 28mm wide profile, this rim provides enhanced tire stability and improved aerodynamics, ideal for competitive road cyclists and enthusiasts. The rim is available in both 45mm and 50mm depths, striking a perfect balance between lightweight performance and stiffness. Built specifically for disc brake systems, it offers reliability and optimum braking performance without compromising on weight or durability. This rim is compatible with 20 or 24 spokes, allowing customization according to rider preference and riding style.
Optimized for Disc Brake Performance
Designed exclusively for disc brake applications, the 700c carbon road disc brake rim eliminates the need for brake track surfaces, reducing wear and tear while improving braking consistency in all weather conditions. The carbon construction allows for superb heat dissipation, minimizing the risk of overheating during long descents or intensive riding. This rim’s precise machining and structural integrity enhance power transfer and responsiveness, delivering a smooth and controlled braking experience. Its design enhances compatibility with modern disc brake calipers and rotors, making it an excellent upgrade for high-performance road bikes.
Durability Meets Lightweight Efficiency
This rim expertly combines strength and weight savings, utilizing premium carbon fiber to create a robust yet lightweight component. The 28mm width provides improved tire support, reducing pinch flats and increasing comfort on varied road surfaces. The option between 45mm and 50mm rim depth offers riders a choice between aerodynamics and lighter rotational mass, tailored to different racing or training needs. Whether you're a competitive racer or a dedicated road cyclist looking for reliable equipment, this rim ensures long-lasting durability without adding unnecessary weight, maximizing overall bike performance.
