TT or Tube Type tyres require an inner tube to be fitted during installation.
TL or Tubeless tyres do not require any sort of inner tube.
You will find most tyres on Tyroola's site are Tubless (TL) Rated
Tube Type and Tubless Tyres - TT / TL Markings Print
Modified on: Tue, 30 Oct, 2018 at 9:02 PM
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