MTB Inner Tube 26" x 1.75-2.125 with 40mm Dunlop Valve Mountain Bike Inner Tubes

VeloChampion MTB Inner Tube 26" x 1.75-2.125 with 40mm Dunlop Valve Mountain Bike Inner Tubes (1 or 3 pack)

This MTB Inner Tube fits 26" x 1.75-2.125 tyres. Made from butyl rubber with a secure valve seal ensures that these inner tubes are designed to be durable, reliable and long lasting. 

Choose between:

26" x 1.75 / 2.125 (1 pack)
26" x 1.75 / 2.125 (3 pack)

✅ [PROFESSIONAL QUALITY] High quality rubber inner tubes designed for 26" x 1.75-2.125 mtb tyres.
✅ [SIZE] 26" x 1.75-2.125 inner tubes - 1 or 3 pack
✅ [VALVE TYPE] This inner tube has a Dunlop valve. Valve length 40mm.
✅ [HOW TO FIND THE CORRECT INNER TUBE FOR YOUR BIKE] View our images to find out how to read your tyre and select the correct inner tube size for your bike type.

How can I find the correct inner tube for my mountain bike?

Purchasing an inner tubes can seem like a confusing task, but once you know what you are looking for, it is much easier. Take a look at your bike, along the sidewall of the tyre you should be able to see a few numbers.

The first number will show you the size of your wheel, followed by the width of your wheel.

For example: 27.5 x 2.30 = you will need a 27.5” inner tube with the width of up to 2.30


What valve type do I use? 

There are 3 main valve types for an inner tube. VeloChampion now sell all inner tube types including Dunlop.

Presta Valve (SV)
Also called French. Historically used for road bikes, but mountain bikes are using these valve types now.

Schrader Valve (AV)
Also called American. Typically for mountain bikes.

Dunlop Valve (DV)
Also called German. These are mainly used in European markets.


CE standard
PLEASE NOTE: To avoid punctures to new inner tubes please follow these 3 rules
1. Check the tyre for the object that originally punctured the tube before replacing.
2 .Make sure the rim tape covers the valve hole in the rim otherwise this can cut any inner tube.
3. Never over inflate past the recommended tyre pressure.