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TPU tubes for #cycling - Yay or Nay? Sources? (aus.social)

submitted 2 months ago by MrAndrewD@aus.social to c/bicycling@lemmy.world

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TPU tubes for #cycling - Yay or Nay? Sources?

Anyone using TPU tubes? Would you recommend them?

I note online Chinese vendors (Temu/Ali) are about half the price of my local bike store for them. Anyone have experience with purchasing/brands for Chinese TPU tubes?

#bicycle #bicycling #BikeTooter

@bicycling

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[–] Pionir@masto.bike 1 points 2 months ago (4 children)

@pete @wav3ydave @voiceofunreason @adamrice @MrAndrewD @bicycling

I used Slime tubes for a couple of years until it failed. I thought I had a minor puncture that sealed because it went down a coupe of times on the commute but then stabilised

I then did the King Alfred's Way and it let go half way around. When I took the tyre off I saw the split and it was a mess. Sealant everywhere.

I binned off the other one and won't be using again. Bloody nightmare imho & enough to put me off tubeless too

[–] pete@masto.hypertelia.com 1 points 2 months ago* (last edited 2 months ago) (3 children)

@Pionir @wav3ydave @voiceofunreason @adamrice @MrAndrewD @bicycling Yeah, Slime tubes were horrible things. Tried them before tubeless was a thing, early 2000s I think, and soon gave up thanks to perpetually clogging valves.

Edit: The ARE horrible things: I didn't know they were still around. :-)

[–] Pionir@masto.bike 1 points 2 months ago (2 children)

@pete @wav3ydave @voiceofunreason @adamrice @MrAndrewD @bicycling yeah. I made the mistake of getting a slime repair kit for the car (plug and gunk) but then it got recalled for containing toxic chemicals. I didn't have the bike valve clog though, but just the though of trying to find a thorn in a tyre full of gunk is enough.

Oh and with tubeless, remember to take out all the multiple objects that successfully sealed before putting a tube in folks!

[–] voiceofunreason@xoxo.zone 1 points 2 months ago (1 children)

@Pionir @pete @wav3ydave @adamrice @MrAndrewD @bicycling

Since we’re veering into discussing puncture sealant for butyl tubes, I’ll share this anecdote:

I used to work in bike shops. Someone brought in a bike with a fast-leak puncture they tried to fix with butyl sealant.

They figured if a little sealant would help with a slow-leak, a lot of sealant would help with a fast-leak.

[–] voiceofunreason@xoxo.zone 1 points 2 months ago* (last edited 2 months ago)

@Pionir @pete @wav3ydave @adamrice @MrAndrewD @bicycling

They, apparently, got a huge can of sealant meant for cars and shot that into the valve.

Likely a liter+ in total.

The butyl tube had a 6cm tear so the tire was basically completely filled with sealant.

It didn’t work.