Review - Effetto Mariposa Caffelatex Tubeless Tyre Sealant

Finding a good tubeless tyre sealant is a bit like finding a good coffee in a foreign town: once you have found one that hits the spot, you will keep coming back, time after time.

It is most likely a coincidence that Caffelatex Tubeless Sealant from Effetto Mariposa seems to allude to a coffee connection. Even so, you might well find it addictive…

For me, latex based sealants still rule in terms of reliability and function. Stan's No Tubes was the original latex based sealant; but other brands have since taken on the concept and adapted it.

Caffelatex is unique because it contains a foaming compound, which promises to give greater coverage inside the tyre, even when a cut is not at the bottom of the wheel.

I have been using this sealant on a cyclocross bike for a few months now, and it seems to be working well. It seals around thorns easily, and larger cuts will seal if you use a tubeless plug (read my post 'How to Make a Tubeless Tyre Plug').

To be honest, I still found that to seal at least larger holes, you needed to let the cut rotate to the bottom of the tyre, so the sealant could flow into it. This suggests that the foaming action is not overly effective, though it could be my wheels were not rotating fast enough to generate it!

Overall, the Caffelatex Effetto Mariposa sealant works. In all weather conditions and with all the tyres that I have tested it with, it successfully seals leaks and punctures.

One sealant I will be using time after time.

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