Originally Posted by tFUnK

I use TPU tubes from AliExpress (Ridenow). Impressed with the weight but I feel they are not a supple as latex (maybe comparable to a thin butyl). Not a lot of miles on them but I like them generally. A good way to shed some rotational mass.

I have gotten flats and while I have a repair kit I am only 50% successful in patching (carefully and exactly as instructed). I've since found that Gorilla Glue tape works pretty well as a patch.