Flat Out QuickStrike Tire Sealant Off-Road Formula - Prevent Flat Tires, Seal Leaks, Contains Kevlar, 32-Ounce Bag

The first one I used leaked everywhere, so for the second attempt, I secured the black ring to the bag with hot glue to prevent the sealant from from coming out where its not supposed to , making it easier to use on the tire. This method works great for dirt bikes, electric bikes (Talaria MX3/MX4), and even cars.For electric bike tires, you might reach a point where no more sealant will go in. If that happens, use your hand to press up and down on the tire, helping it "inhale" and "exhale" (compress and decompress). Then, keep squeezing the sealant bag to push as much in as possible.If you still can’t get more sealant in, inflate the tire, ride the bike for a bit, then deflate it completely and continue squeezing in the sealant. Repeat this process until you've used up all the sealant.I used an entire bag for one tire just to make sure it works, and so far, so good—looks like it actually works!

I heard this was great stuff and since I had 2 tires on my lawnmower that always had slow leaks I thought I would try it. It worked great! Since I used it I haven’t had to air up those 2 tires!

Needed a sealant effective against larger punctures like nails and screws so I purchased this product for my 20x4 inch Ebike tires. Unfortunately I installed the product in near darkness while in the field and found out getting the sealant into the tubes through the Schrader valve stems is not as easy as it appears; also found out more of this product is not better. The product required numerous attempts to get into the tube due to clogging (forms seals in stems) and the need for repeated clearing of stems. I purchased the 32oz bag of Flat Out and the instructions on the bag indicated a 4" fat tire may require 10 to 16 ounces of sealant. I considered this a dose range for all 4" tires and not a strict 10ounce max for 20x4" tires (more ONLY for larger diameter tires). With nearly 14oz of material in the rear tire took a test ride. The excess sealant pooled in one area of the tube and the resulting severe imbalance took a portion to the tire completely off the rim. Near disaster on an Ebike

I looked at online reviews of the product performance and was impressed by its purported ability seal tire punctures. While the product may (or may not) perform well, the provided dispensing pump is pathetically unsuited for the application and it is impossible to clear the pump once the material clogs the small dispensing port. Some of the reviews indicated this but i assumed that they were not very mechanical inclined customers. The product, by design, has particulates, of varying sizes, suspended in the liquid sealant. The port on pump is very small and easily becomes blocked with the sealant and particulates that cannot be cleared; even when following the instructions to do so. It is very irresponsible for the manufacturer to continue selling this item with inevitable relative failure of the pump as this is the only way to get the sealant into a tire.

This is a fantastic product. I only wished that presta valve tubes could take it! It's too thick for the tiny valves to take the substance and impossible for us to add to the tube. It's not the product's fault, however, they should state that it only works with Schrader valves, please! I'll have to give it to a friend.

product is always good

The BEST liquid flat prevention there is on the market today - ten times better than slime - use it in my lawn tractor and in my CFMOTO Uforce 1000 SL - lots of thorns and cacti and never have a leak.

I've used this product with success on other mowers and decided to get more for a new mower. Before I've done tires as they developed leaks but this time decided to do all 4 now that one has been leaking air. Doing all 4 I figured I would save the money and get the gallon size with the tool and pump. Let me say, skip the pump; spend the extra on the smaller quantities and get the squeeze bottles. I got 7 pumps (7 ounces) in to my gallon then the pump clogged up. This is a known issue as they provide instruction on how to clear the clog... (Friendly tip: if you have to include instructions (that don't match the pump) figure out a better delivery method). Well, the instructions are for the wrong type of pump, or the pictures are just completely wrong. Long story short, after attempting to clear the pump out myself, the pump no longer works and I spilled half the container on the ground. Now I've got a half gallon of this stuff that I cannot put into a tire, basically $50 down the drain.