TSI-1 Tubeless Sealant Injector

Insert the hose and let the sealant flow! The TSI-1 sealant injector by Park Tool makes installing and maintaining a tubeless system clean and easy. Thanks to the syringe, the regular injection of sealant is done in no time and with minimum effort. Fast, precise and mess-free. The Park Tool injection kit does not even require any special valve cores or tube fittings. The tyre beads can also remain seated on the rims when checking or removing sealant from the tyre.

All you need is a valve with removable valve core, such as a common Presta, Dunlop and Schrader valve or a special tubeless valve. The valve core has to be removed to fit the thin tube all the way through into the tubeless system. This is done quickly with a valve key. The handy syringe then allows you to precisely draw the right amount of sealant out of the bottle before injecting it. The injection works best when the valve is not at the bottom. The transparent syringe body features a gauge so you can precisely read the filling quantity up to 100 ml. That’s even enough for filling high-volume MTB tyres. Screw the valve core back in, inflate and rotate the tyre – done.

To check how much sealant is still in the tyre or to replace the tyre sealant, you can proceed similarly. Just make sure to remove, check and refill or replace the sealant using the syringe with the valve in the six o’clock position. With the tyre beads remaining seated on the rim, of course. No more mess when fitting tubeless tyres and full control when filling and refilling tyre sealant into tubeless systems. The Park Tool TSI-1 tubeless sealant injector makes tubeless tyre setup and removal easy!

Details:
High-quality tubeless injection kit
Robust plastic syringe with injection tube (screwed on)
Ergonomic barrel flange for two-finger depression and wide plunger flange
Fits many common bicycle valves with removable valve core
For tubeless systems with Presta valve, Schrader valve, Dunlop valve
Injector syringe can also be used for sealant removal
Tube dimensions: approx. 120 x 3.5 mm Ø
Ideal for low-viscosity sealants for quick injection
Max. syringe capacity: approx. 100 ml
Gauge with fluid ounce and cc markings
Filling tool is easy to clean and can be reused many times over
Weight: approx. 170 g
Material: plastic, metal

In the box:
1 Park Tool TSI-1 Tubeless Sealant Injector

Below is a list of tubeless sealants that have been tested and shown to work with the Park Tool TSI-1 Tubeless Sealant Injector (as of 10/2021):
Continental® RevoSealant
Maxima Racing Oils®
Muc-Off® No Puncture Hassle
Orange Seal® Endurance
Orange Seal® Regular
Orange Seal® Subzero
Panaracer® Seal Smart
Peaty’s
Slime® STR
Squirt® SEAL
Stan’s NoTubes® original formula

Attention:
Sealant that is viscous or that uses a high amount of particles may clog up the thin tube. Especially when removing it from the tubeless tyre after prolonged use. Therefore, a low viscosity sealant is recommended.
Some valve stems may be smaller than tube hose diameter of the TSI-1 injector. In this case, the bead must be removed from the rim in order to remove sealant from the tyre.