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Btwin 14" x 1.7-2.2" Bent Valve Schrader Inner Tube

Sale price: $4.99 Regular price:

The bent valve makes it easier to inflate your tire.

Color: Select a color
Size: Select a size
Sale price: $4.99 Regular price:

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San Francisco, 735 Market St. Options

Select an available color and size to see options.

Model: 8542251

Product Features

A photo of the Btwin 14" x 1.7-2.2" Bent Valve Schrader Inner Tube in use

Btwin 14" x 1.7-2.2" Bent Valve Schrader Inner Tube |

The bent valve makes it easier to inflate your tire.


14", 1.70 to 2.20 tires.


Optimized composition to ensure your inner tube has a good seal.

Questions & Answers

Product Customer Reviews

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217 Reviews
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Btwin 14
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Same as original

very good, the angled valve is a plus

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Very good with the curved valve

The curved valve is very practical for small wheels.

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durable and good value for money

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Used to change...

Used to change the previous hole, easy to change, low price, perfect

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very average product. A…

very average product. One of the two leaks regularly...

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According to my…

According to my research

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Air chamber pierced…

Air chamber pierced when it was supposed to be new!!!!!

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Burst even before…

Burst before even using it

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Easy to install

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Great before it was the…

Brilliant before it was a hassle to re-inflate now it's great

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flush, consistent

flush, consistent

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Good product

Good product

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I spend my time…

I spend my time pumping up.

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Additional Product Information



  • 80% Rubber - Isobutylene isoprene rubber - butyl
  • 20% Brass

How to choose an inner tube:

Check the information indicated on the sidewall of the tire (diameter and width). For example, 14 x 1.90 means your tire is 14 inches in diameter and 1.90 inches wide. On the tire sidewall, you will also find the dimensions in mm in ETRTO international units. For example, 47-254 means a tire that is 47 mm wide and has an inner diameter of 254 mm (approx. 14 x 1.90).

Removing an inner tube:

Remove the old inner tube using B'Twin tire levers

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 an inner tube:

Watch our video before you start. 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 fitting.

Fitting a tire:

Start mounting the tire at the valve. Finish mounting the tire at the valve to avoid pinching the inner tube. Never mount your tire with a screwdriver or a tire lever, as you risk pinching and puncturing the inner tube.

Inflating a tire:

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

Pro advice:

To prevent any puncture from pinching and to achieve the best performance, we recommend checking and, if necessary, pumping up your front tire before each ride.


3.5 oz

Complementary products:

You'll need a tire lever (reference 8047839) to change your inner tube. If you want to repair a punctured inner tube, you can use repair patches (reference 1779640) or self-adhesive patches (reference 8380935)



Product testing

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

Storage instructions

Carry your inner tubes in a container to protect them from getting punctured (B'Twin carry case, original packaging, etc.).

Superior quality. Unbeatable prices.

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Size Guide Visual

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