Mountain Bike Tube Sizes

Choosing an inner tube what size inner tube should i choose for my bike. While you can find a variety of bikes with wheel sizes ranging from 16 to 27 5 inches the most common sizes include 26 inches 27 5 inches 29 inches and 700c. Mountain bike tubes range in size from 26 through to a 27 5 and 29.

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Effective top tube is the horizontal distance from the centre of the head tube to the centre of the seat post.

Mountain bike tube sizes. When it comes to replacing your inner tube how do you know which size you need for your bike. There are a myriad of wheel sizes for road mtb touring and children s bikes. These new sizes offer more speed and are generally better at soaking up the bumps. Effective top tube length is the length of a virtual horizontal line drawn between the top of the bike s head tube to the centre.

Depending on whether your bike is a road bike touring bike mountain bike or child s bike the diameter and circumference of the wheel can vary. This is to allow the tube to expand to the correct size for your tires and can range from as narrow as an inch right up to a tire width of 2 5 or greater. Inner tube sizes vary by maker. So a 29 inch mtb tube will have the same diameter as a 700c road wheel while a 27 5 inch tube will be the same diameter as a 650b road wheel.

For example choose a tube for a mountain bike if the width is within inch of the tire s stated width. Inner tubes vary in size depending on the circumference of the wheel and the width of the tyre. Then within these categories there are further sub divisions such as 26 inch 27 5 inch and the 29ers commonly. Manufacturers listed mountain bike frame sizes can be.

Mtb tubes must be the correct width as well also measured in inches. Use a tube within 3 8 inch of the stated width for road bikes. Mountain bike sizing guide. It s important for cross country riders who prioritise pedalling power.

A tube with a close diameter measurement will also work. The following sizes are common for mountain bike tyres regardless of whether your machine has 26in 27 5in 650b or 29in wheels. For example a 700c tube can be substituted for a 27 inch tube and vice versa. Traditionally they come with a 26 wheel but more recently we ve seen the launch of 29 and 27 5 650b wheeled bikes.

Mtb s are engineered for off road riding. Mountain bike tyre sizes are usually stated in inches. Finding the right inner tube depends on the size of the tires on your bike. Mtb wheels in particular can be further categorised by 26 inches 27 5 inches and 29 inches.

This measurement represents how a mountain bike fits while you re sitting on the saddle.