Wheel sizes can also be confusing ... The cheapest mountain bike tubes may only cost a couple of dollars but are often poorly made. Quality tubes start at around $5-$6, and even the most expensive ...

On mountain bikes, seat tube angles have increased dramatically ... out what size bike is right for you? Below is a basic size chart based on rider height to get you within the ballpark.

Just how heavy are they? The SLiME website only gives the weight of the Lite tube, which is a claimed 219 grams for any of the mountain bike sizes - by comparison, a generic MTB tube weighs around ...

And then we changed and patched tires more than 50 times, using four different bikes, five different wheels, six different tires, and almost 10 different sizes of tubes. After more than 100 hours ...

The tubes are called Protek Max, these things are surprisingly cheap at about $9, and they can be had in two sizes. I would use these if I rode a bike to prevent having to walk home or fix a flat ...

The sides of the insert are around 2 mm thick, and they completely enclose the tube – this not only ... in 27.5- and 29-inch mountain bike tire sizes, along with 700c sizes ranging from 35 ...