Fresh Gravel: Caffe Latex ZOT! Nano

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Caffe Latex
The ZOT! Nano and it’s included holster

Fresh Gravel: Caffe Latex ZOT! Nano

Tubeless tires might be said to be the “holy grail” for cyclists when it comes to riding since the main buzz-kill for most riders is getting a flat tire. Going tubeless helps to drastically reduce the chances of getting a flat tire, and usually it works out quite well. However; there is always that story you’ve heard, or the ride you were on that was quenched by a tubeless tire puncture that would not seal up. Many times this is due to an irregularly shaped cut or tear in a tire that proves to be just too much for a sealant to overcome. Maybe it is a large hole that won’t quite seal up. Hey……it happens, right?

We’ve been testing a lot of tubeless tires here over the past year or so, and as you may know, you need sealants. We’ve been testing those as well. Check out our last post on sealants here. One of those sealants is from Caffe Latex, and by the way, you can expect a long term review on their sealant coming later this Spring. In the meantime, those fine folks behind Caffe Latex have provided us with a sample of a curious little bottle of a product dubbed ZOT! Nano.

What It Is: ZOT! Nano, (Yes- the exclamation point is part of the product name), is an ” instant polymerization catalyzer for CaffĂ©latex”, according to Effetto Mariposa, and its purpose is to help seal up large holes or irregularly shaped punctures that Caffe Latex may not be able to handle on its own. How big? Well, Caffe Latex is said to be rated to punctures up to 5mm in diameter, which means ZOT Nano is for even bigger punctures, so yeah…..pretty big holes! It works by inserting the needle on the top of the bottle of ZOT! Nano through the puncture into the casing, and applying the catalyst at the leak source. If your tire has liquefied Caffe Latex in it yet, the ZOT! Nano will coagulate the sealant making a solid plug from the Caffe Latex and begin to heal the puncture.

Caffe Latex ZOT! Nano

Obviously, you would have to be using Caffe Latex to make use of the ZOT! Nano product, but it does bring up an interesting thought for gravel riders to consider. The ZOT! Nano bottle comes with a small, plastic holster which can be affixed to a bottle boss, or you could easily toss one of these into a saddle bag or frame pack. It is one more tool in the arsenal for Caffe Latex users to help defeat major tire failures while riding out in the rural areas where getting a ride back to town might be difficult, if not impossible in some cases. Rides like the Dirty Kanza 200, where flinty rocks can cause severe tire damage may also prove to be good venues for this product.

I’ll be carrying the ZOT! Nano along with me on rides where I am running the Clement MSO 36mm tires which are using Caffe Latex as sealant. If I run into any “big” trouble, I’ll report back on how this stuff does work, or not. For the time being, you can check out the video here, (Beware! Funky techno-trash soundtrack!)

Discuss and share your questions or thoughts about gravel bikes, gear, events and anything else on the Riding Gravel Forum.


Author: Guitar Ted

Guitar Ted hails from Iowa. Home of over 70,000 miles of gravel and back roads. An inaugural member of the Gravel Cycling Hall of Fame and Co-creator of Trans Iowa in late 2004- Guitar Ted has been at the forefront of the growth of gravel events and riding since then. Creator of Gravel Grinder News in 2008, he produced the premier calendar of gravel and back road events. GT joined forces with Riding Gravel in late 2014.

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3 thoughts on “Fresh Gravel: Caffe Latex ZOT! Nano

    1. Curtis, my understanding is that ZOT! is a catalyst and helps form a larger “clotting” mass at the hole so regular Caffe Latex can then seal it off more quickly. In the sense that it is working, (and therefore using up some of the product, obviously), you may need to add in some Caffe Latex at your earliest convenience. Fortunately, Caffe Latex can safely be added right past your valve core, no need to remove it, so if adding more sealant is desirable, you could and with the new, smaller pouch sized vessels of Caffe Latex, you could have extra sealant on a ride more easily at your disposal.

      In the sense that ZOT! chemically speeds up the clotting process- That only is a localized effect, so any remaining Caffe Latex is unaffected and will act as it was intended to in the future up until it dries out at some point.

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