Is Fortus 35 Pro 4 the Best Choice for Competitive Cycling?

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The Fortus 35 Pro 4 [paid link] from Hope is designed with competitive cyclists in mind. Its build quality, performance, and versatility make it a popular choice among racers and enthusiasts alike. In this guide, we will explore the installation, maintenance, customization, and optimization of the Fortus 35 Pro 4 [paid link], and discuss whether it is the right option for competitive cycling.

Installation of the Fortus 35 Pro 4

Tools Required

  • 15mm wrench
  • Torque wrench [paid link]
  • Grease
  • Allen wrenches [paid link] (for disc rotor installation)
  • Rim tape (for tubeless setup)
  • Tubeless valve stems
  • Air compressor or floor pump

Step-by-Step Installation

  1. Prepare the Hub: Begin by installing the Fortus 35 Pro 4 hub into the frame. Make sure the hub is aligned correctly with the dropouts.
  2. Attach the Rotor: Secure the disc rotor to the hub by using the appropriate Allen wrench [paid link]. Ensure that the rotor is correctly aligned with the caliper to prevent rubbing.
  3. Install the Rim Tape: If you’re setting up the wheel tubeless, place the rim tape on the inside of the rim. Make sure it is seated properly to avoid air leaks.
  4. Tubeless Setup: Insert the tubeless valve stems into the rim and fill the tire with tubeless sealant. Using an air compressor or floor pump, inflate the tire to the recommended pressure.
  5. Mount the Tire: Once the tire is inflated, ensure that it is seated correctly on the rim and that no gaps are visible between the tire and the rim.
  6. Tighten the Axle: Using a 15mm wrench, tighten the axle to the recommended torque setting. This will secure the wheel in place.

Adjustment and Maintenance

Adjusting the Wheel Tension

Maintaining proper spoke tension is essential for the longevity of the Fortus 35 Pro 4 wheels. Regular checks should be done using a spoke tension meter. Ensure all spokes are evenly tensioned to prevent any deformations or unbalanced wheel rotation.

Hub Maintenance

To ensure smooth performance, it’s crucial to service the hub periodically. Begin by removing the wheel from the bike and carefully disassembling the hub. Clean all internal components, including the bearings, pawls, and freehub mechanism. Re-grease the parts and reassemble the hub. This will prevent wear and ensure that the freehub engages properly.

Rim and Tire Maintenance

  • Regularly inspect the rim for any signs of cracks or dents, particularly after hitting obstacles or during aggressive riding.
  • Check the tire pressure before each ride, especially if you are running a tubeless setup. Proper inflation ensures optimal traction and ride quality.

Troubleshooting Common Set-Up Issues

Problem 1: Wheel Rubbing Against the Brake Pads

If the Fortus 35 Pro 4 wheel rubs against the brake pads, the issue is often caused by an improperly aligned rotor. To fix this:

  • Check if the rotor is true. If it is not, use a rotor truing tool to straighten it.
  • Ensure the brake caliper is aligned correctly with the rotor. Adjust the caliper position by loosening the mounting bolts and re-centering it.

Problem 2: Loss of Tension or Uneven Spokes

If you notice a wobble or feel that the wheel is not tracking straight, it may be due to uneven spoke tension.

  • Use a spoke tension meter to check the tension of each spoke. Tighten or loosen as necessary to ensure all spokes are at an equal tension.
  • If there are any broken spokes, replace them with the appropriate replacement spokes from Hope.

Problem 3: Difficult Tubeless Setup

For some riders, setting up tubeless tires on the Fortus 35 Pro 4 may cause air leaks or difficulties in inflation.

  • Ensure the rim tape is seated properly without any wrinkles.
  • Check the valve stems for proper sealing.
  • If using a floor pump doesn’t work, consider using an air compressor to quickly seat the bead and inflate the tire.

Customization and Optimization for Better Performance

Optimizing for Aerodynamics

The Fortus 35 Pro 4 is designed with competitive cycling in mind, and optimizing its aerodynamic properties can improve performance. Consider using lighter, high-performance tires to reduce rolling resistance. Additionally, a more aerodynamic tire pressure setup can reduce drag and increase speed during high-intensity efforts.

Gear Ratios and Compatibility

When customizing the Fortus 35 Pro 4 for competitive cycling, the choice of drivetrain and gearing is important. The wheelset is compatible with a variety of drivetrain systems, including SRAM and Shimano. Choose gear ratios that align with your typical race course, whether it’s flat or hilly. Lighter ratios may be beneficial for hilly terrains, while higher ratios work better for flat, fast courses.

Tire Selection

The Fortus 35 Pro 4 is compatible with a variety of tires, but the choice of tire can significantly impact performance. For road racing, a tire with a lower profile and narrower width will provide lower rolling resistance and better aerodynamics. For gravel or mixed-terrain races, consider wider tires with a more aggressive tread pattern for better traction.

Comparison with Similar Models

Fortus 35 Pro 4 vs. Enve 45

The Enve 45 is another high-performance wheelset used in competitive cycling. While both wheels are designed for speed and endurance, the Fortus 35 Pro 4 offers a wider rim, providing more stability and comfort on rougher terrain. The Enve 45, however, is slightly lighter and more aerodynamic, making it a better choice for flat road racing where aerodynamics are the priority. If you’re competing in a mixed-terrain event, the Fortus 35 Pro 4 may offer better durability and comfort.

Fortus 35 Pro 4 vs. Zipp 303 Firecrest

The Zipp 303 Firecrest is known for its lightweight build and aero advantages. However, the Fortus 35 Pro 4 offers better overall durability, especially on rougher surfaces. The Zipp 303 Firecrest is a good option for road racers looking for high performance, but if you’re tackling more diverse conditions like gravel races or rougher roads, the Fortus 35 Pro 4 will likely serve you better due to its enhanced strength and stiffness.

Compatibility with Other Drivetrain Components

The Fortus 35 Pro 4 is compatible with a wide range of drivetrain components, including 10-speed, 11-speed, and 12-speed systems from both Shimano and SRAM. It’s also compatible with various freehub body standards, such as HG and XD, making it versatile [paid link] across multiple setups. Before choosing a drivetrain, ensure that the freehub body and chainring compatibility align with your specific needs for optimal shifting performance and power transfer.