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Bike Inner Tube Twin-Pack 700x18-25 Presta Valve 48 mm
Bike Inner Tube Twin-Pack 700x18-25 Presta Valve 48 mm
Bike Inner Tube Twin-Pack 700x18-25 Presta Valve 48 mm

Bike Inner Tube Twin-Pack 700x18-25 Presta Valve 48 mm

An entry level inner tube.

3.8 / 5

Regular price

$3.49

B Twin

Bike Inner Tube Twin-Pack 700x18-25 Presta Valve 48 mm designed for a standard flat road bike 700 mm diameter wheel fitted with an 18-25 mm wide tire.

An entry level inner tube with a Presta valve.
Compatibility

Tire and flat wheel with a 700 mm diameter and 18-25 mm wide with Presta valve.

Waterproof

48 mm Presta valve that holds the pressure in.

How to choose your inner tube

Check all the information indicated on the sidewall of the tire (diameter and width). For example, 700x23 means that the tire has a diameter of 700 mm and is 23 mm wide. On the sidewall of the tire you will also find the dimensions in mm expressed in ETRTO international units.

For example: 23-622 means a tire that is 23 mm wide and with a 700 mm inner diameter (700x23).

Removing an inner tube

Remove the used inner tube using B'Twin tire levers (item code 8047839).

What to check before installing your new 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.

Fitting your inner tube

Slightly pre-inflate the inner tube to avoid any risk of it being pinched. 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 fitting.

Mounting the tire

Start by mounting the tire onto the wheel on the opposite side to the valve.
Finish mounting the tire at the valve to avoid pinching the inner tube.
Never mount your tire using a screwdriver or a tire lever as you risk pinching and puncturing the inner tube.

Inflating the tire

Inflate your tire carefully to the pressure recommended by the manufacturer (visible on the sidewall of the tire in PSI or bars; 1 bars = 14.51 PSI).
Regularly check that your tire is in the correct position as you inflate it.

Tip from the pros

To avoid punctures due to the inner tube being pinched, and to get the best performance out of your tire, we recommend checking your tire pressure and inflating it if necessary before each ride.

Product Testing

To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.

Composition

Membrane/coating : 100.0% Rubber - Synthetic

Restrictions

Take care not to pinch the inner tube when mounting it on.

Storage Instructions

Carry your inner tubes in a container to protect them from punctures (tool case, original packaging, bag, etc.).

Care Instructions

Wheel size is printed on the sidewall of your tire. Always carry a spare inner tube and a pump.

Guarantee

2 Years

Warning for California customers

Learn more

Origin

Imported

Model Code

8243100

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