24" children's bikes with Schrader valves (large valve).
The liquid in the inner tube seals small punctures (< 3 mm).
Easy to use
The hole is sealed while you ride.
How to choose your inner tube
Check the information indicated on the sidewall of the tire (diameter and width).
For example, 700 x 35 means your tire is 700 mm in diameter and 35 mm wide.
On the sidewall you will also find the dimensions in mm in international ETRTO.
For example: 35-622 means your tire is 35 mm wide with an inner diameter of 700mm (so 700 x 35)
Removing an inner tube
Remove the old inner tube using the B'Twin tire tools (item code 8047839).
Checks to carry out before installing an inner tube
Check the condition of your tire and replace it if necessary.
Make sure no objects are lodged in the tire.
Check the condition of your tire rim strip. A rim strip that is even slightly bent can cause punctures.
Check that your rim does not have any other issues that could damage your inner tube.
Installing your inner tube
Pre-inflate the inner tube slightly to avoid pinching.
Insert the valve, making sure you are using the correct valve for your rim.
Put the inner tube entirely inside the tire so that it fits inside the rim.
Take care not to pinch the inner tube when mounting.
Mounting the tire
Start by mounting the tire from the opposite side of the valve
Finish at the top of the valve to avoid pinching
Never use a screwdriver or tire lever to mount the tire or you could pinch the inner tube and puncture it.
Inflating the tire
Inflate your tire carefully to the pressure recommended by the manufacturer (visible on the tire's sidewall in PSI or bars, 1 bar = 14.51 PSI).
Regularly check that your tire is in the correct position as you inflate it.
Tip from the pros
To avoid punctures from pinching and for best tire performance, we recommend that you check your tires and inflate them to the suggested pressure before every ride.