If you own a stroller, you will have to deal with replacing the inner tube of the stroller wheel, sometime or the later. If you live in an area with lots of thorns, or take it on trails, the tires of your stroller can go flat.
But its not that difficult to replace / repair the inner tube of the stroller wheel.
Here’s a video that shows how to replace tire and or inner tube on a Bob stroller
Watch: Nice video that shows how to replace the inner tube in a stroller wheel
How to switch out the inner tubes on a stroller, in this case a 12-inch inner tube that goes inside a 12 inch stroller wheel – that is the most common size. However, the same principles will apply to different sized air-filled stroller wheels/tires. In the video, he also talks about the various types of tubes (based on the values). When inserting the inner tube inside the wheel, make sure it is not twisted. Also make sure the inner tube is not pinched between the lip of the rim and the lip of the tire.