TPU Inner Tubes - 50% Lighter, Puncture-Resistant Cycling Performance

good size range

seem to last well. one of the few TPU tubes I have found which covers 32 and 35mm tyres. most seem to go up to 32 or start at 35

Inner tubes TPU

Yes they work well feel like latex with out losing air,

Tpu tube

Black valve looks inconspicuous ride feels like latex only without having to be pumped up every day