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Tufo Extreme Tire SealantTufo Extreme Tire Sealant
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Tufo Extreme Tire Sealant

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Your days of changing tires on the side of the road could be over.

Tufo's Extreme Sealant is capable of filling slightly larger puncture holes than their standard sealant. Unlike the standard formulation, it is not designed for preventative use before a flat has occurred. Use only after a flat. Designed only for use with tires and tubes with Presta valves with removable valve cores. Remove the valve core and insert the sealant through the valve stem. One bottle seals approximately three punctures. 50ml, includes valve tool.


Weight: 75 grams

Ordered by Most Relevant First
Very please with Tufo Extreme
by Jay Law
Competitive Racer

I had a very big glass cut on the tire. I did not think or my mechanic thought it would work on sealing the tire.

It did! And has been keeping the Tufo tire seal for the last 6 months now.

Reviewed 8/12/2013
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Very impressive
by Max
Cycling Enthusiast
Pacific NW
3 of 3 customers found this review helpful.

I continue to be amazed at how well this works at fixing punctures. I was riding down the shoulder of a local highway notorious for flat tires and, sure enough, I picked up a large construction staple through my tire (Tufo Elite Ride). Given the size of the thing and the fact I now had two large holes in my tire, I was sure I'd be pulling the tire off. But I decided to give the sealant a try anyway. After unclogging the nozzle (the one problem with using a bottle that's already been opened), I squirted about 15ml into the tire, replaced the valve core and added a just a little CO2 to give it a bit of firmness. Spun the tire around so the holes were at the bottom to allow the sealant to do its thing. After a minute or two, I filled the tire the rest of the way. To my amazement, the pressure held. That was a couple hundred miles ago and the tire is still holding pressure fine.

Reviewed 4/25/2011
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