I bought a number of TKC80 for a trip to Mongolia and asked the Continental dealer about inner tubes.

The recommendation for Continental was to stick with standard inner tubes for road/offroad use. They only recommended the heavy duty thicker tubes for lower speed, purely offroad use.

With that recommendation I bought standard inner tubes and rode all the way to Barnaul in Russia on Heidenau K60 Scouts and the rest of the way to Ulaan Bataar on TKC80 without a single puncture.

Make of that what you will but I think it was the right combination.

Sandman.

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2011 XT660Z, in BLACK of course!
Mods done:
Lost the will to keep track!