The Fortus 35 Pro 4 [paid link] wheels from Hope are a high-performance option designed for cyclists seeking a durable and versatile [paid link] wheelset for their road and mountain biking needs. Setting up your wheels for tubeless operation is a smart choice, as it reduces the risk of punctures, offers a smoother ride, and allows you to run lower tire pressures for better traction. This guide will take you step by step through the process of setting up your Fortus 35 Pro 4 [paid link] wheels for tubeless use, including installation, adjustments, and troubleshooting tips.
Tools Required
- Tubeless tire valve stems
- Tubeless rim tape (appropriate width for Fortus 35 Pro 4)
- Tubeless-compatible tires
- Tubeless sealant
- Valve core remover tool
- Floor pump or compressor
- Tire levers (optional)
- Soapy water (optional)
- Rag or towel for cleanup
Preparing the Fortus 35 Pro 4 Wheel for Tubeless Setup
Before installing the tubeless system, it’s important to ensure that the Fortus 35 Pro 4 wheel is clean and ready to accept the rim tape and tire.
- Clean the Rim
Thoroughly clean the inside of the rim using a rag or towel. This will remove any dirt, grease, or debris that could interfere with the tubeless seal. Pay close attention to the bead seat area of the rim. - Inspect the Rim
Check the condition of the rim bed and bead seat. The Fortus 35 Pro 4 is tubeless-ready, but it’s always good practice to ensure the rim is free of any damage or imperfections that could affect the sealing of the tire.
Installing Tubeless Rim Tape
The next step is to install the tubeless rim tape, which is essential for creating an airtight seal between the rim and tire.
- Cut the Rim Tape
Measure the length of the rim and cut the tubeless tape accordingly. The tape should cover the entire inner circumference of the rim and extend slightly over both sides of the rim’s bead seat. - Apply the Rim Tape
Begin at the valve hole and work your way around the rim, applying the tape evenly. Ensure that the tape lies flat against the rim and that it covers the valve hole completely to prevent air leakage. If the tape is not adhesive enough, you may need to apply additional pressure to ensure it sticks. - Seal the Valve Hole
After applying the tape, carefully cut a small X-shaped slit over the valve hole. This is where you will install the tubeless valve stem.
Installing the Tubeless Valve
With the rim tape in place, the next step is to install the valve stem.
- Prepare the Valve Stem
Take the tubeless valve stem and make sure the rubber seal is in good condition. If the valve stem is removable, ensure it’s fully tightened before installation. - Insert the Valve Stem
Insert the valve stem through the slit in the rim tape. Ensure that the valve stem is properly seated and securely tightened. The rubber gasket on the valve should create a seal against the rim, ensuring no air can escape [paid link].
Mounting the Tubeless Tire
Now that the rim is prepared and the valve stem is in place, it’s time to mount the tubeless tire onto the Fortus 35 Pro 4 rim.
- Install the Tire
Begin by mounting the tire on the rim, making sure the tire bead is fully seated in the rim bed. Work your way around the rim, ensuring that the tire is evenly placed. If necessary, use tire levers to help seat the tire, but be careful not to damage the rim tape. - Check for Proper Bead Seating
Before proceeding, check that the tire bead is properly seated all around the rim. You should be able to see an even gap between the tire and the rim.
Adding Tubeless Sealant
Sealant is crucial for ensuring that any small leaks in the tire or rim are sealed effectively during use.
- Measure the Sealant
Most tubeless tires require about 60–120ml of sealant per tire, depending on the size and type of tire. Use the manufacturer’s recommendation or adjust based on your personal preference. - Pour the Sealant into the Tire
Remove the valve core using the valve core remover tool. Insert the nozzle of the sealant bottle into the valve and pour the sealant into the tire. After adding the sealant, replace the valve core and ensure it is tightened securely.
Inflating the Tire
Inflating the tire is the final step in completing your tubeless setup. Proper inflation ensures that the tire beads seat correctly and that the sealant is distributed evenly.
- Inflate the Tire
Use a floor pump or compressor to inflate the tire. The goal is to seat the tire bead securely against the rim, creating an airtight seal. You may hear a “pop” or a series of clicks as the tire bead seats. If the tire is not inflating properly, try adding more pressure or rotating the tire while inflating. - Check for Leaks
Once the tire is fully inflated, visually inspect the tire for any air leaks. You can also apply soapy water to the tire’s bead and valve to check for bubbles, which would indicate a leak. If you spot any leaks, release air pressure, reseat the bead, and inflate again. - Distribute the Sealant
After inflating, rotate the tire to ensure that the sealant is evenly distributed around the inner surface of the tire. This helps the sealant cover all potential punctures and leaks.
Final Adjustments
After the tire is properly mounted and inflated, there are a few final checks and adjustments to ensure everything is working as it should.
- Adjust Tire Pressure
Set the tire pressure according to your riding style and the terrain you’ll be riding on. Tubeless setups typically allow for lower pressures, which provides better traction and comfort. However, ensure the pressure is within the recommended range for your tire and rim size. - Inspect the Installation
Double-check the valve stem for any loose parts, and ensure the valve core is tightly secured. Also, make sure the rim tape is intact and that there are no leaks around the valve or bead.
Troubleshooting Common Issues
Here are some common issues riders face when setting up a tubeless system, along with troubleshooting tips.
- Tire Not Seating Properly
If the tire is not seating correctly, increase the pressure or try a higher volume pump to help the bead pop into place. You can also try rotating the tire or tapping it lightly to encourage the bead to seat properly. - Leaks at the Valve Stem
If you notice air escaping from the valve stem, check that the rubber gasket is intact and the valve is securely tightened. You may need to add more sealant to improve the seal. - Persistent Leaks in the Tire
In some cases, small punctures or manufacturing defects in the tire may prevent it from sealing properly. If this happens, apply more sealant or consider using a heavier-duty sealant designed for larger punctures.
Conclusion
Setting up the Hope Fortus 35 Pro 4 wheels for tubeless use is a straightforward process that can greatly enhance your riding experience. With a little preparation and the right tools, you can enjoy the benefits of tubeless technology, including better puncture resistance, lower tire pressures, and improved overall performance. By following this guide, you’ll be able to install, adjust, and maintain your tubeless setup with ease.