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12-inch 1.7- 2.2 Inner Tube - Elbow Schrader Valve

€ 2.80

Designed for kids' bike wheels, 12" in diameter with a 1.70 to 2.20 cross-section.Bent valve for easy inflating.

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SKU: S76 (1789315)
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Size Guide

Available online

Delivery in 3 to 4 days

Product benefits
  1. Compatibility
    Compatibility
    12" wheels and tyres with Schrader valve.
  2. Waterproof
    High-quality valve that retains air pressure well.
  3. Ease of use
    Ease of use
    Bent Schrader valve makes the tyre easy to inflate.
Details
Product feature
  1. Choosing an inner tube
    Check all the information indicated on the sidewall of the tyre (diameter and width). For example, 26 x 2.20 means your tyre is 26 inches in diameter and 2.20 inches wide. You will also find the dimensions in mm in international ETRTO measurements. For example, 50-559 means the tyre is 50 mm wide with an inner diameter of 559 mm (approx. 26 x 2.00 inches).
  2. Removing an inner tube
    Remove the old inner tube using B'Twin tyre levers (ref 8047839).
  3. Checks to carry out before installing an inner tube
    Check the condition of your tyre and replace it if necessary. Make sure no objects are lodged in the tyre. Check the condition of your tyre 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.
  4. Mounting the 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 tyre so that it fits inside the rim. Take care not to pinch the inner tube when fitting.
  5. Mounting the tyre
    Start by mounting the tyre onto the wheel on the opposite side to the valve. Finish mounting the tyre at the valve to avoid pinching the inner tube. Never mount your tyre using a screwdriver or a tyre lever as you risk pinching and puncturing the inner tube.
  6. Inflating the tyre
    Inflate your tyre carefully to the pressure recommended by the manufacturer (visible on the sidewall of the tyre in PSI or bars; 1 bars = 14.51 PSI). Regularly check that your tyre is in the correct position as you inflate it.
  7. Tip from the pros
    To avoid punctures due to the inner tube being pinched, and to get the best performance out of your tyre, we recommend checking your tyre pressure and inflating it if necessary before each ride.
Product testing
  1. Composition
    Material: isobutylene. Weight: 90 g.
  2. Approved by
    Our inner tubes are tested continually by our professional teams, such as the U-19 PRO Racing Team and the Mountain Bike Racing Team.
  3. Storage advice
    Carry your inner tubes in a container that protects them from perforations (B'Twin carry case, original packaging, etc.).
  4. Cleaning advice
    To find your wheel size, check the information printed on the tyre sidewall. Always carry a spare inner tube and a pump.
  5. Product restrictions
    Take care not to pinch the inner tube when mounting it on.
  6. Product catchline
    Easy-to-inflate, 12-inch inner tube with bent Schrader valve
  7. Lab tested
    To guarantee optimal quality, 100% of our inner tubes are inflated for a period of 8 hours.
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