BOLA 45mm Carbon Gravel Rim – 700C, 30mm Inner, Offset, Tubeless

Discover the Advantages of the 45mm Carbon Gravel Rim Tubeless

Direct answer: Designed for performance-focused gravel and all-road builds, the BOLA 45mm carbon rim features a 30mm inner width, asymmetric offset, and tubeless compatibility for high-volume tires (40–50mm). Available in four verified weight classes (380g–455g), it is engineered for riders who demand both width and structural integrity.

Key Specifications

• Rim Depth: 45mm
• Outer Width: 36mm
• Inner Width: 30mm
• Effective Rim Diameter (ERD): 548mm
• Verified Weights: 380g / 400g / 430g / 455g (±10–15g)
• Wheel Size: 700C
• Maximum Rider Weight: 120kg
• Material: Unidirectional carbon fibre composite
• Forward Compressive Strength: >300kg (in-house tested)
• Lateral Torsion: >50kg (in-house tested)
• Spoke Hole Tension: >280kg

Real-World Use Cases

• Gravel & Endurance Racing: Wide 30mm inner optimizes lateral stability and tubeless tire air volume for improved traction on loose surfaces.
• All-Road Builds: Offset asymmetry relieves spoke tension, offering greater wheel durability for mixed terrain and heavy use.
• Custom Wheelsets: Multiple weight classes address different rider and team preferences for strength-to-weight ratio; lighter tiers (<400g) favor racing, heavier support high-load durability.

Performance Comparison Table

Frequently Asked Questions

• Q: Is a 30mm inner width rim good for tubeless gravel tires?
  A: Yes. 30mm inner width provides optimal support for 40–50mm tubeless gravel tires, enhancing stability and riding comfort.
• Q: What is the benefit of an offset (asymmetric) carbon rim?
  A: Offset profiles balance spoke tension, increasing wheel strength and reliability under mixed terrain usage.
• Q: How light should a carbon gravel rim be for racing?
  A: For endurance racing, sub-400g rims reduce rotational mass but may trade off impact resistance. Choose weight based on rider preference and conditions.
• Q: Are ultralight (<400g) carbon rims durable for gravel?
  A: Ultralight rims (<400g) prioritize weight savings. While compliant with in-house strength testing (>300kg compression), heavier tiers may be advisable for frequent high-impact use.

Lightweight and Durable Carbon Construction

The BOLA 45mm carbon gravel rim tubeless offers an ideal balance between strength and weight. Crafted from premium carbon fiber, this 700C rim provides exceptional durability while significantly reducing the overall load of your bike. The 30mm inner width ensures compatibility with wider tires, enhancing stability and grip on rough terrains without adding unnecessary weight. This design is perfect for riders seeking improved efficiency and endurance during long gravel rides.

Offset Design for Enhanced Ride Quality

Featuring an offset rim design, the BOLA 45mm carbon gravel rim tubeless improves spoke tension balance, resulting in a stiffer and more responsive wheel. This configuration optimizes power transfer and reduces wheel flex when navigating challenging gravel trails. The offset helps maintain wheel integrity over time, increasing the lifespan of both the rim and spokes. Riders will notice smoother handling and increased confidence over varied surfaces.

Tubeless Compatibility for Better Performance

The rim’s tubeless-ready capability allows for easy installation of tubeless tires, offering improved traction, reduced rolling resistance, and decreased risk of punctures. By removing the traditional inner tube, riders can enjoy lower tire pressures that enhance comfort without compromising speed or control. The airtight rim bed is specifically engineered to seal efficiently with tubeless tires, making it an excellent choice for gravel cyclists focused on performance and reliability.