This is such a simple solution for adding sealant, much easier than an injector and completely mess free, no sealant all over my hands! Easy setup, easy cleaning, I would recommend this for any cyclist.
I have not had the need to test the funnel yet but i am looking to the day that i do. it should make my life easier and less messy
After messing with syringes for sealant that would eventually clog or in some way fail the simplicity of this is a breath of fresh air.
Works amazing!
I've tried many methods of adding sealant. Saw the Straz funnel while perusing the interwebs and thought "what the heck". I purchased 2, one for myself and one for the only guy that works on my bikes at my LBS. I used it for the first time last week and OMG! No mess and easier than any other method I've ever used. My guy and I wish it had one addition...a plunger like what's used in a Shimano bleed kit. That way we'd be able to measure more accurately how much sealant we're adding. I'm going to try a plunger this weekend. He's going to look into 3D printing a solution for us. Straz, something to think about.
Such a handy little tool. Works so much better than a syringe for filling tires with sealant
Works well with Reserve Fillmore valves. Nice clean solution to what can be a messy maintenance task.
So simple, yet so perfect. A great small addition to my toolbox,
No fuss, no mess! Straz even quickly sent a new one after USPS smashed the first.
This works well. Money well spent IMO.
Works super easy! And I like supporting a small business. I would absolutely buy another one if I loose it or give it away to a friend.
Dang handy little funnel that makes adding sealent much more pain-free.
Excellent product
Great idea. Depending on the sealant you may need a valve stem rasp to clear clogs at the bottom of the funnel
No mess, no fuss and simple to use. I've purchased four so far and given several to my friends as these little funnels make for a simple sealant fill in the shop or on the road. Just plain works great! Great colors too!
This is the best way to add sealant to a tire.
I can't believe how easy this is to use and clean up. I used to use a syringe and cleaning it took some time. The funnel can't be any easier and this took much less time than either popping off the bead or using a syringe.
So easy to use and is the best way to add tire sealant without the mess
This is the handy little item that I didn't know I needed until I used it. I previously would hook a syringe and tube to the valve stem and dump in the sealant (without using the syringe plunger), but the tube often slipped off -- plus it was difficult to keep track of the volume of sealant that went into the tire. When using this tool, I can fill to the 30ml mark and the fluid will remain there for a second, so I can keep track of the amount. (I typically use 90ml, so three quick fills.) With this tool there is no spilling and no mess to clean up! Highly recommend.
I saw this at a local shop. I immediately bought one and took it home. After I topped up all my wheels with it, I bought 3 more (two gifts and one extra for me.) It works. I have not tried it with Silca's NEW sealant. I used it with OrangeSeal Regular and Endurance. I like that one "funnel" is about 2 oz.
Nicer application for sealant into tire!
Simple and effective. No more mess.
We got a couple of these for the shop (Munroe Velo, Topsfield, MA) - they work so well i ordered one for home use as well. Thanks for a great and simple product!
This is just what I was looking for to make tire sealant a breeze!
I finally had a chance to use this funnel to replenish my sealant in my gravel bike wheels and I can't believe how painless this makes this usually unpleasant job. Just unscrewed the valve core, threaded on the funnel and poured in several ounces of sealant. Rotated the wheel up a few degrees and removed the funnel with absolutely no mess and reinstalled the core. Pumped it up and rinsed the funnel . No drips, spews or mess. If you don't own one of these you are working too hard. Great and simple product that just plain works. Buy one!
I like this little funnel. Makes putting in sealant a breeze.
Really way to use. I like it better than syringes and tubing. The one thing to “watch out” for is that some valve stems don’t have threads on the top for this to screw into. It’s still possible to use this (just hold it down on top of the valve, might make a tiny mess) but it isn’t quite as nice as when you can screw it on
Thanks Matthew! I have a new model available that works with valve stems that are not fully threaded: https://strazcomponents.com/products/sealant-funnel-pt-orange
This has been a super helpful, time-saving tool! The only caveat is for Specialized tubeless valve stems which are not threaded all the way to the top. The threads are down lower on the stem, so you can't thread it on. If I hold it in place, it will work, though.
Thanks Mark! Take a look at the new Sealant Funnel PT model, which works with valve stem threads that sit lower on the stem.
compact, easy to use, easy to cary, simple. my only wish is that the funnel had visable label of how much volume it held for ease of knowing how much fluid to put into the tube.
Thanks Vladimir! Each funnel has a label on the inside showing it holds up to 30ml.
I ordered one of these funnels as soon as I read the review on Bikepacking.com. I received it very quickly, and I have had the opportunity to use it once. It really is a great accessory. After my initial use, I already prefer this over my Stan’s sealant injector(older model). With proper use, I feel like this funnel should last a long time.
A couple funnel-fulls were all I needed to top-up my wheel. It worked flawlessly and with far less mess than an injector. I’ve found that with the injector I usually get some dripping when the syringe is removed. There was not a single drop of sealant dripped when using this funnel. The quick procedure was to remove the valve core/let air out of tire, thread on the funnel, shake and pour a near but not completely full funnel volume, let the funnel empty into the tire, slowly roll the tire a bit to get the sealant to finish “gurgling” into the tire. Again, I did this twice with no drips. I also feel that cleanup was very easy and wasted almost no sealant at all. There is very little sealant that remains adhered to the funnel, as opposed to what you’d normally have to wash from a syringe set-up. I highly recommend supporting Straz. Get yourself one of these!