Quote:
Originally Posted by Alistair
I have some for spares/emergency use. They are much smaller/lighter than butyl or latex.
I bought some of the less expensive ones off Amazon, but the vale cores aren't removable, so they're useless to me (50mm deep rims, tubes have 40mm stem). Doh!
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The problem with these cheap TPU tubes is a lot of them have leaks new/out of the box. They can't take much pressure when inflated out of the tire so leaks are really hard to find unless they're large leaks. Patching is also a problem. So where are you going to be if you have a flat and use one of these tubes that already has a leak?