Originally Posted by
datlas
The one you linked to is the permanent type, and IMO is the preferred type. The so-called cement is really vulcanizing fluid. If you use the tube once, there is a slight chance the fluid in the tube will dry or evaporate and not be there next time, but that's rare.
The other type is pre-glued patches. Faster, just peel and stick. But these are not permanent. They will get you home though.
Do you carry the vulcanizing type on the bike for field repairs, or just use them at home and rely on the pre-glued ones for field repairs? Thanks!