12 inch SV Kids Inner Tube
You'll need to know your tyre diameter and width. You can find this by looking at the sidewall of your tyre.
You’ll see two measurements such as 700x28c (road bike) or 29x1.5 (MTB).
The first figure is diameter
The second figure is width
Match your tube to your tyre diameter.
Inner tube sizing: width
Inner tubes won’t just fit one wheel size, but a range. Always check sizing on the product page.
For example, a road inner tube can be labelled 700x23-28c. This tube will fit tyre widths of 23c, 25c & 28c. The same will be true of MTB tubes – 27.5x2.4-3.0.
Inner tubes come in two valve types: Presta & Schrader.
These are usually found on road bikes and advanced MTBs. They’re very thin and have a central core you unscrew before inflating.
These are ‘car-type’ valves are found on MTBs and other bikes with tyres that run at lower pressures.
Wheel rim compatibility
Your bike wheels will be drilled to fit one type of tube valve. You’ll need to make sure you choose the right one.
The easiest way is to check what valves your current inner tubes are.
Presta valves will fit all bike wheels but wider Schrader valves will not fit Presta specific valve holes.
We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE to mainland UK, regardless of the size and value.
Please note: bulky products and bikes shipped to outlying UK regions are excluded from free shipping - Click here for more info.
Christmas is one of the busiest time of year for us at Tredz. We will try our best to get your products delivered before Christmas. To help you, please see our last postage dates for first class and 24 hour courier services below:
Any order dispatched on the 22nd & 23rd December will be delivered between 28th December and 30th December.
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We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).
For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.
For more information please visit our Returns & Warranty page.