CST Bike Tube - 12 1/2 X 2 1/4 - Bent Valve Sv 45 Degrees - Pair

Product Descriptions :

CST TUBE 12 1/2 X 2 1/4 BENT VALVE SV 45 degrees

CST’s most popular bicycle tube for general purpose riding

0.97mm wall thickness

Specifications -

The inner tube collection from CST

How do you choose the right inner tube for your bike? There are so many different options and often there are multiple sizes on an inner tube box. The elastic characteristics of the CST inner tubes make it possible to provide multiple tire sizes with the same inner tube. In order for you to make it as understandable as possible, we show on this page where you should pay attention.

The tire size

The size of the inner tube you can determine by the tire you are using. On the side wall of your tire, you can find two dimensions. ETRTO size or the inch size. These sizes are not totally similar but have the same meaning. An example of ETRTO size is 37-622. This size is in inch-definition 28x1 5 / 8X 1 3/8. You can use both sizes to locate the correct inner tube in our collection. In addition to find the right size on a tire, you can often find the right size on the current inner tube.

The valve

When the right inner tube is chosen, you should have to pay attention to choosing the right valve. There are 3 types; namely car valve, “Dutch” valve or the “French” valve. These valves often also have a different variety in length. So make a choice picking the right valve and his corresponding length. Below you can see the different types:

Valves

Make your choice

When you have determined the inner tube with the above explanation, you can make the right choice. Please use the button below to download our inner tube summary and determine the correct part number.

Please read this note before purchasing from us. We strive to provide quality items at highly competitive prices. All stock sold by us is either held in our warehouse, or in our suppliers’ warehouses. We strive to ensure that stock availability is accurate but we are subject to our suppliers systems which are not always up-to-date. It is for this reason that we say it may take up to 14 days for an item to be delivered to you. Most items are delivered quickly. However, if you require or expect an item to be delivered very quickly, please contact us so that we can make sure that we have it in our own inventory available for immediate dispatch. Occasionally, due to circumstances beyond our control, a product becomes unavailable usually for a short period of time. If that occurs we will contact you quickly and discuss with you similar alternate products, or a time for delivery of the product you have purchased, or a full refund.

Occasionally, stock mispricing may occur and the item you purchase may be at the wrong price by mistake. If this happens and the amount you paid exceeds the correct price, we will refund the difference. If the amount you paid is 10% or more below the correct price, we will refund your payment and provide you with a gift voucher worth 10% of the amount you paid, to a maximum of $20.

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