Originally Posted by
bikerbobbbb
I actually use thorn inner tubes off and on. I can't tell a huge difference for preventing flats or for weight.
Do you use the correct ones?
I use these and they are really heavy. They have the 4mm walls.
I just measured the weight. 400 grams. A regular tube weighs about 100 grams.
https://www.universalcycles.com/shop...s.php?id=21342