Sealing the deal – Straz Components Tyre Sealant Funnel

by Matt | January 7, 2025 | Filed under 2025, News | 5 replies so far

Tyre selant being added to a bike tyre using a small 3D printed plastic funnel to aid the process. Three different versions are visible to show the three different colours available
Straz Components Tyre Sealant Funnel

Here’s a useful little bit of kit you probably don’t know you need.

This is the Straz Components Sealant Funnel, a nifty 3D printed tool with the simple purpose of helping you and me top up our tyres with sealant without make a complete mess of everything.

I first saw it on James Huang’s N-1 Substack newsletter last Friday and today it popped up on the Radavist. I’m guessing Tim Straz, the man behind the idea, is pretty pleased at the moment and probably getting lots of orders for it.

The tool is basically a funnel that threads onto your valve using a brass insert in the plastic 3D printed body. Take out your valve core, screw this in and pour in your goop of choice.

The funnel is brightly coloured so you don’t misplace it in your carefully organised/bombsite* workshop/garage*. Funnel capacity is 30ml so it should be easy to measure out doses or top up on a regular basis.

I like the idea and think Tim deserves some success with it. Expect copycat versions too, but remember original is best.

* delete as appropriate.

Thanks for reading,
Matt

There are 5 replies to Matt so far

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  1. January 7, 2025 at 12:11 pm

    GDAS says:

    I’ll wait for the £25 ebike-specific version 🙄

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  2. January 8, 2025 at 12:07 am

    Jem says:

    Looks nifty and as you say, brightly coloured to find in the “bombsite” albeit quite expensive.
    Always used a syringe 💉 with a length of clear hose attached and cheap too.

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  3. January 8, 2025 at 10:26 pm

    Tony says:

    I have a Stan syringe thing where the hose screws onto the valve. A bit more tricky to use and always with the risk of “blow back”!!. These look nifty.

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