How to Remove and Install a Bike Tire

Some tire and rim combinations go together like a sock. Others feel like they were manufactured on different planets. The difference between the two is usually not the components — it is whether you are using the rim's centre channel. Once you understand that, most tires that felt impossible become merely annoying.

Why the centre channel matters

A clincher rim is not a flat-bottomed U. It has two raised shoulders where the tire bead sits under pressure, and a deeper well between them. A tire bead is essentially a fixed-length loop of steel or aramid — it does not stretch meaningfully. The only way to get slack is to move part of that loop into the deeper well, which shortens the effective circumference it has to cover.

Removing the tire

Getting the bead off

1. 1

   Deflate completely

   Not mostly — completely. Press the valve and squeeze the tire flat all the way round. Residual pressure holds the bead hard against the shoulder.

2. 2

   Work the beads into the channel

   Grip the tire with both hands and squeeze both sidewalls towards the centre of the rim. Move around the whole wheel doing this.

3. 3

   Start opposite the valve

   The valve stem takes up space in the channel, so the slack is greatest at the far side of the wheel.

4. 4

   Hook the first lever

   Slide it under the bead, lever the bead over the rim edge and clip the lever's notched end to a spoke to hold it there.

5. 5

   Slide the second lever round

   Insert it two or three inches away and run it around the rim. Once a hand's width of bead is over the edge, the rest comes off by hand.

6. 6

   Remove the second bead only if needed

   For a tube swap you can leave it on. For a tire replacement, lift the whole casing off by hand once the first side is free.

Installing the tire

Installation is the reverse, with one significant difference: levers are far more dangerous here because there is a tube behind the bead. The goal is to fit the entire second bead with your thumbs.

When the tire is genuinely too tight

• Warm it up. A tire left in the sun or a warm room for twenty minutes is noticeably more compliant than one from a cold garage.
• Use a little soapy water on the bead. It lets the bead slide into position rather than gripping halfway.
• Check your rim tape is not too thick. A double wrap of thick tape effectively fills the channel you need.
• Consider a bead jack for known-tight combinations. It is a purpose-made tool that applies force where a lever would damage things.
• As an absolute last resort, use a lever for the final two inches — but deflate the tube completely first so it cannot be caught.

Checking your work

Inflate to about half the target pressure and look at the moulded bead line just above the rim edge. It should be a constant distance from the rim all the way around, on both sides. A section that dips means the bead has not popped up onto the shoulder; a section that bulges means the tube is trapped underneath. Either way, deflate and fix it before going to full pressure.

If you are doing this because of a puncture, our guide to fixing a flat bike tire covers diagnosing the cause, and the full walkthrough on changing a bike tire covers wheel removal and refitting.