Carbon Fiber Sporting Goods
Bola 700C Carbon Road Rim – Wavy U-Shape, 55/60mm Depth, 28mm Wide, 415–515g
Bola 700C Carbon Road Rim – Wavy U-Shape, 55/60mm Depth, 28mm Wide, 415–515g
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The Bola 700C Carbon Road Rim with aerodynamic wavy U-shape profile is available in 55mm and 60mm depths, 28mm wide, and four weight grades (515–415g). Engineered for performance cycling, it meets ISO 4210 safety standards and SCA-tested durability for road racing, triathlon, and endurance use. Tubeless-ready design supports 25–32mm tires and high-tension spokes, while the reinforced carbon fiber structure allows for up to 120kg rider weight.
Key Features
- Material: Premium carbon fiber (tested to SCA fatigue & compression standards)
- Widths: 28mm outer / 22mm inner
- Depths: 55mm or 60mm aerodynamic wavy U-profile
- Weight Grades: Standard (515g), Superlight (475g), Ultralight (450g), Extreme Light (415g)
- Rider Weight Support: Up to 120kg
- Spoke Tension: Recommended assembly >280kgf, max 300kgf
- Tire Compatibility: 25–32mm clincher & tubeless
- Surface Options: UD matte, 3K matte, UD gloss, 3K gloss
- Certifications: ISO 4210:2014, SCA lab tested
Performance Comparison
| Grade | Weight (±g) | Best Use |
|---|---|---|
| Standard | 515 ± 15 | Endurance, high mileage |
| Superlight | 475 ± 15 | Performance training |
| Ultralight | 450 ± 10 | Race & triathlon |
| Extreme Light | 415 ± 10 | Lightweight climbing, time trial |
Compatibility & Build Guidance
- Compatible with most hub/spoke systems, including high-tension spokes >280kgf
- Designed for direct-fit builds by small-medium cycling brands, pro teams, or custom wheel builders
- Tubeless tape/valve and rim strip recommended for setup
Frequently Asked Questions
What are the best lightweight carbon rims for road cycling under 450g?
The Bola Ultralight (450g) and Extreme Light (415g) grades provide low weight for competitive climbs and racing, with certified strength and SCA-tested durability. They offer reliable performance and rider support up to 120kg.
Should I choose 55mm or 60mm rim depth for triathlon?
The 55mm depth offers improved crosswind stability, ideal for variable wind triathlons and general road racing. The 60mm option provides maximum aerodynamic efficiency for straight, flat triathlon segments. Wheel choice depends on your typical course profile and average wind conditions.
What is the advantage of a 28mm wide carbon rim?
A 28mm outer width supports modern 25–32mm tires, offering increased lateral stability, reduced rolling resistance, and improved comfort compared to narrower rims. The wavy U-shape profile optimizes aerodynamic transition between tire and rim.
Are ultralight carbon rims safe for daily use?
All Bola rim grades are tested to ISO 4210 and SCA standards, supporting up to 120kg riders. Ultralight and Extreme Light options are safe when used within recommended limits and with proper wheel build quality, though heavier grades (Standard, Superlight) offer increased fatigue resistance for high-mileage training.
What should I consider for a 700C carbon rim race wheelset build?
Ensure rim choice matches your desired balance of weight (lower for hill climbs), depth (deeper for aerodynamics), tire compatibility (28mm width for modern tires), and safety certification. Bola rims accommodate up to 300kg spoke tension and provide options for both training and race-specific builds.
