Bicycle Inner Tube Conversion Chart

26 x 1 95 2 125 indicating that the tube is intended to fit a 26 inch tyre with a width of between 1 95 inches and 2 125 inches.

Bicycle inner tube conversion chart. Inner tubes typically state a wheel diameter and width range for which they will work e g. Etrto english size french size german size rim circumference mm find tires. To convert tire tube sizes from one notation to another it is necessary to use the chart published by the iso available at any reputable bike shop. Inner tubes vary in circumference as well as width with both of these measurements shown.

Pneumatic tires are superior in providing effective cushioning while keeping rolling resistance very low. Inner tubes will fit just one wheel size so you ll need to match your new tube to your wheel diameter. From road bikes to commuters mountain bikes to kids bikes and every hybrid cruiser you can imagine there s the right sized tube for them all. The sad fact is that inner tube sizing and tire sizing for that matter is a dark art.

Note that it s got a presta style air valve make sure your bike pump can work with this. 700 x 23 28c for road bike tubes 29 x 1 75 2 4 for mountain bike tubes. Finding the right inner tube depends on the size of the tires on your bike. Bicycle inner tube size conversion chart plus recommendations june 1 2020 by ben.

For this example an inner tube with that sizing would work with tires of 700 35 up to 700 43. This tube from q tubes is a great option. 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. Bicycle inner tubes come in a variety of sizes to cater for all the different bikes you ll see out and about.

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. On a product page you ll find inner tubes are labelled with a series of digits. 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. However inner tubes will cover a range of tyre widths.