Bicycle Inner Tube Sizes Chart

Bike inner tube size chart and my recommendations.

Bicycle inner tube sizes chart. 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. This is the correct tube size for your. Mtb and city tire sizes are given in inches. 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 it comes to replacing your inner tube how do you know which size you need for your bike. Inner tubes vary in size depending on the circumference of the wheel and the width of the tyre. Over time different countries and different manufacturers have built up a system that is so complex that probably only 2 or 3 people in the world actually understand it. The width of your tire 1 95 inches falls within the range of the widths displayed on the tube package or 1 9 2 125.

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. The sad fact is that inner tube sizing and tire sizing for that matter is a dark art. The second number 1 1 8 is the height of the tire in inches and fractions of an inch. Once you know your tire size see the method at the bottom of this page scroll down the list until you get to your tire diameter e g.

26 x 1 1 8 x 1 1 2 the first number 26 is the overall tire diameter. Bicycle inner tube size conversion chart plus recommendations june 1 2020 by ben. Below is the list of my recommended inner tubes. There are a myriad of wheel sizes for road mtb touring and children s bikes.

Then within these categories there are further sub divisions such as 26 inch 27 5 inch and the 29ers commonly. In the previous example a tube labeled 26 x 1 9 2 125 has the correct diameter of 26 inches. Therefore any inner tubes which includes the width such as 700x 28 38 fitting 700c tyres of between 28 and 38 width will work. Mountain bike tyre sizes are usually stated in inches.

Choosing an inner tube what size inner tube should i choose for my bike. Choose a tube with the same diameter number and a range of widths into which your tire falls. Finding the right inner tube depends on the size of the tires on your bike. Hi martin 622 is the tube wheel diameter which is the same as 700c so a road wheel and 33 is the width in mm.