TPU Tube option from Rene Herse

[Alistair]

Originally Posted by bshell

Totally unfamiliar with polyurethane tubes and am now curious.

My jersey pocket would love a lighter/smaller spare tube.

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!