DIY Tubeless Setup for EXC 1200 SPLINE Wheels

The DT Swiss EXC 1200 SPLINE [paid link] wheels are high-performance carbon wheels designed for cross-country and trail riding. These wheels are tubeless-ready, making them ideal for riders who prefer the benefits of tubeless setups, such as lower tire pressures, better traction, and fewer flats. Setting up tubeless tires on the EXC 1200 SPLINE [paid link] wheels can significantly enhance your riding experience. This guide will walk you through the step-by-step process of setting up your EXC 1200 SPLINE wheels tubeless, troubleshooting common issues, and optimizing the setup for better performance.

Tools Required

  • Tubeless-ready tires
  • Tubeless valve stems
  • Tubeless rim tape (if not pre-installed)
  • Tubeless sealant (latex-based recommended)
  • Tire levers
  • Floor pump or compressor
  • Valve core remover tool
  • Soapy water (for sealing the bead)
  • Scissors or knife (for trimming tape)

Preparing the EXC 1200 SPLINE Wheels

Before starting the tubeless setup, ensure your DT Swiss EXC 1200 SPLINE wheels are clean and ready for the installation process. If your wheels come with pre-installed tubeless rim tape, you can skip that step. If not, follow these steps:

Step 1: Remove the Existing Tires (if applicable)

If you have any existing tires mounted on the EXC 1200 SPLINE wheels, remove them using tire levers. Be careful not to damage the rim or tire during removal.

Step 2: Clean the Rim Bed

Before installing the tubeless rim tape, thoroughly clean the rim bed to remove any dirt, debris, or old glue. This ensures a proper seal for the rim tape and valve stem.

Step 3: Install Tubeless Rim Tape

If your EXC 1200 SPLINE wheels do not have pre-installed tubeless tape, you will need to install it yourself. Start by measuring the tape length to ensure it covers the entire inner rim bed. Apply the tape evenly, making sure it overlaps slightly at the valve hole. Use your thumb or a cloth to press the tape down firmly to avoid air pockets. Trim any excess tape using scissors or a knife. Ensure the tape is smooth and free from wrinkles.

Installing Tubeless Valve Stems

The next step is to install the tubeless valve stems into the EXC 1200 SPLINE wheels. Follow these steps:

Step 1: Prepare the Valve Stems

Take the tubeless valve stems and remove the valve cores. This will allow you to pour in the sealant easily.

Step 2: Insert the Valve Stems

Push the valve stem through the valve hole in the rim, ensuring that it seats properly in place. Tighten the nut on the outside of the rim to secure the valve stem.

Step 3: Check the Valve Seal

Once the valve stems are installed, check that they are properly sealed around the rim. Any gaps may cause air leakage, making it difficult to achieve a proper seal.

Mounting the Tubeless Tire

Now that your rims and valve stems are ready, it’s time to mount the tubeless tires onto the EXC 1200 SPLINE wheels. Follow these steps:

Step 1: Install One Side of the Tire

Start by placing one side of the tire bead onto the rim. Use your hands to work the tire onto the rim, making sure the bead is seated in the rim bed. Work your way around the rim, ensuring the tire is evenly installed.

Step 2: Install the Other Side of the Tire

Once one side of the tire is mounted, proceed to install the second side of the tire. Depending on tire size and tightness, you may need to use tire levers to help get the tire onto the rim. Be cautious not to pinch the rim tape during this process.

Step 3: Check Tire Position

After the tire is fully mounted, inspect both bead sides to ensure they are seated correctly in the rim. You may need to push the tire around a bit to adjust the bead position and eliminate any gaps.

Adding Tubeless Sealant

The next crucial step in the tubeless setup process is adding the tubeless sealant. Follow these steps:

Step 1: Shake the Sealant

Tubeless sealant can settle over time, so it is important to shake the bottle thoroughly before pouring.

Step 2: Pour the Sealant

Using the valve core remover tool, remove the valve core from the valve stem. Pour the recommended amount of sealant into the tire through the valve stem. The exact amount may vary depending on the tire size, but generally, 60-120ml is appropriate for most mountain bike tires.

Step 3: Reinstall the Valve Core

Once the sealant is added, reinsert the valve core back into the valve stem and tighten it securely.

Inflating the Tubeless Tire

Now that the sealant is inside the tire, it’s time to inflate the tire to seat the bead properly.

Step 1: Use a Floor Pump or Compressor

A floor pump with a high-pressure setting or an air compressor is ideal for inflating tubeless tires. Begin by inflating the tire slowly to help seat the bead. You may hear some popping noises as the tire bead seats into the rim.

Step 2: Check the Bead Seal

As the tire inflates, check for any gaps between the tire bead and the rim. If the bead isn’t sealing, try using soapy water on the tire bead to help it slip into place. If necessary, increase the pressure slightly to help the tire seat completely.

Step 3: Finish Inflation

Once the bead is seated correctly, continue inflating the tire to the manufacturer’s recommended pressure. Do not exceed the tire’s maximum pressure limit.

Troubleshooting Common Issues

While setting up a tubeless tire on the EXC 1200 SPLINE wheels is generally straightforward, you may encounter some common issues. Here are some troubleshooting tips:

Tire Bead Not Seating

If the tire bead is not seating properly, ensure that the rim tape is smooth and tight. Sometimes adding more sealant or slightly increasing the pressure can help the bead seat.

Leaking Sealant

If you notice the tire is leaking sealant, inspect the valve stem and rim tape for any gaps or damage. Reapply sealant if necessary, and consider replacing the valve stem or re-taping the rim if the issue persists.

Loss of Air Pressure

If the tire loses air pressure quickly, check the valve core and tighten it. Inspect the rim tape for any damage or tears and ensure the bead is completely seated.

Optimizing Tubeless Performance

To maximize the performance of your tubeless setup on the EXC 1200 SPLINE wheels, follow these additional tips:

Lower Tire Pressure

With a tubeless setup, you can run lower tire pressures for better traction and comfort. Start with the manufacturer’s recommended pressure and adjust based on your riding style and terrain.

Regular Sealant Maintenance

Tubeless sealant can dry out over time, so it’s essential to check and top up the sealant regularly. Depending on your riding conditions, it’s a good idea to check every 3-6 months.

Tire Choices

Select tubeless-ready tires that match your riding style. For XC and trail riding, choose tires that offer a balance of grip and low rolling resistance. Consider using a tire with a thicker sidewall for added durability and puncture protection.

Conclusion

Setting up a tubeless system on the DT Swiss EXC 1200 SPLINE wheels is a relatively simple process that can improve your riding experience by reducing the likelihood of flats, improving traction, and enhancing comfort. By following the steps outlined in this guide, you can ensure a smooth tubeless setup process and optimize your bike for better performance. With the right tools, attention to detail, and a bit of practice, you’ll be ready to ride confidently on your EXC 1200 SPLINE wheels in no time.