How to Properly Tape a Tubeless Rim for Long-Term Use

Setting up a tubeless wheel system starts with one of the most overlooked—but critical—steps: rim taping. Without a proper seal, even the best tires and sealant will fail to hold air reliably. Taping your rim correctly not only ensures air retention but also extends the lifespan of your tubeless setup and reduces maintenance.

Here’s a step-by-step guide on how to tape your tubeless rim for long-term reliability and performance.

Why Rim Taping Matters

Tubeless rims often have spoke holes that go through the inner surface. Rim tape serves two purposes:

Seals the spoke holes to prevent air leakage

Provides a smooth bed for the tire bead to seal against

Even with “tubeless-ready” rims, improper taping is one of the most common causes of air leaks and frustrating setups.

What You’ll Need

Tubeless-specific rim tape (appropriate width and thickness)

Clean rag and isopropyl alcohol

Scissors or a sharp blade

Tubeless valve

Tire lever (optional)

Patience and attention to detail

Step-by-Step Taping Guide

Step 1: Clean the Rim Bed Thoroughly

Remove any old tape, glue, or debris. Wipe the rim with isopropyl alcohol to remove oils and ensure the new tape sticks well. Let it dry completely.

Step 2: Choose the Correct Tape Width

The tape should cover the entire rim bed without folding over into the sidewalls. For example:

A 21mm internal rim generally needs 23–25mm tape

A 25mm internal rim may need 27–30mm tape

Wider tape provides better sealing but should not interfere with tire bead seating.

Step 3: Start Opposite the Valve Hole

Begin taping 180 degrees from the valve hole. This creates a clean overlap when you finish. Press the tape down gently and stretch it slightly as you apply, keeping it centered.

Step 4: Overlap the Tape

Make at least one full revolution around the rim, and overlap by 10–15 cm at the end. This reinforces the seal, especially near the valve.

Step 5: Press Firmly Along the Tape

Once applied, use your thumb or a tire lever to press the tape firmly into the rim bed. Work around the entire circumference, especially into any dips or channel ridges.

Step 6: Puncture the Valve Hole

Using a sharp awl or tip of a knife, carefully poke a hole where the valve will go. Avoid stretching or tearing the tape beyond what’s needed.

Step 7: Install the Tubeless Valve

Insert the valve and hand-tighten the lock ring. You should feel it pull snug against the tape. If air leaks here later, consider adding a small O-ring or rubber grommet.

Pro Tips for Long-Term Success

Double tape if your rim has large spoke holes or deep channels

Replace tape every 6–12 months, especially if you ride in wet or dusty conditions

Don’t use duct tape or electrical tape—only tubeless-specific tape offers the right adhesion and durability

Check for bubbles or creases in the tape, which can become future leak points

Sealant compatibility: Ensure your tape can withstand prolonged exposure to ammonia or latex-based sealants

Common Mistakes to Avoid

❌ Using the wrong tape width
❌ Leaving air bubbles under the tape
❌ Cutting the valve hole too large
❌ Applying tape over dirt or old residue
❌ Not overlapping the tape enough

Conclusion

Properly taping your tubeless rim is a small effort with big impact. It ensures air retention, simplifies tire installation, and extends the service life of your tubeless system. Done right, it’s a one-time job that can last for months or even years of trouble-free riding.

Invest in the right materials, take your time, and treat rim taping as seriously as any other step in your wheel setup. Your tires—and your peace of mind—will thank you.