Road Bike Tire Tube Size

Mtb tubes must be the correct width as well also measured in inches. For example choose a tube for a mountain bike if the width is within inch of the tire s stated width. The circumference is always the first number listed and the width is the second.

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Road bike tire tube size. Western bikeworks 185 161 views. A tube with a close diameter measurement will also work. 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. When shopping for road tires you ll look for 700c x your preferred width 23mm being the slimmest option and going up to 36mm.

Use a tube within 3 8 inch of the stated width for road bikes. 700c wheel size 29 27 5 650b inch wheel sizes. Some common diameters include 24 on a bmx tire 26 for a fat tire 700c for a road bike and 27 for an older road bike or standard u s. Many road tyres are now 25mm and cyclocross touring and hybrid bike wheels may have tyres fitted that are up to 36mm so make sure you carry the appropriate width tube.

Common road bike widths in millimeters come in sizes ranging from 18 to 23 with a typical road bike tire at 700 x 23. Tire size explained duration. Because of the high pressure and desired low rolling resistance road tires come in narrow widths. For example on a tire with dimensions 27 x 1 1 is the width of the tire.

Mountain bike tubes range in size from 26 through to a 27 5 and 29. Size used on some high performance road and triathlon bikes especially those designed for smaller riders. Knowing the size circumference of your bike s tires and their width is essential to selecting the right size of road bike tube. A standard road tire is 700c x 23mm indicating a tire diameter of approximately 700mm and a width of 23mm.

You can find this information on the sidewall of each tire. Some older road bikes still have the 27 inch size. Some road bikes use 700c tires which use millimeter sized inner tubes. Evans cycles 946 387 views.

For example a 700c tube can be substituted for a 27 inch tube and vice versa. For example if an inner tube says it s best for 26 x 1 95 2 125 that means the tube should be used for a 26 inch tire with a width between 1 95 and 2 125 inches. 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. Mountain bike tyre sizes are usually stated in inches.

The width of the tube is often marked after the diameter.