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Overview

What Makes Stan's Sealant Injector a Shop Must-Have?

The Stan's Tubeless Sealant Injector makes adding or topping up sealant a clean, no-mess process every time. The 150ml injector syringe is sized for modern tire volumes and the higher sealant quantities that wider tires require, so you get a proper fill in one shot without wrestling with small-volume tools or spilling sealant across your floor. It's a simple upgrade that makes tubeless maintenance noticeably faster and less messy.

Compatible with both Presta and Schrader valves, it works across road, gravel, and mountain bike setups without any adapters. The large-volume design eliminates the drips and waste common with smaller injectors, and since sealant goes straight in through the valve core, you don't have to deflate the tire to add it. A straightforward tool that anyone doing regular tubeless work will reach for constantly.

All the specs

MPN AS0220

Volume
150ml
Valve Compatibility
Presta and Schrader
Design
Syringe-style injector
Use
Sealant injection through valve without tire removal

Works with

  • Road
  • gravel
  • and mountain bike tubeless tires

FAQ

Good questions

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Do I need to remove my valve core to use this injector?

Yes. To inject sealant directly through the valve stem, you'll remove the valve core first, inject the sealant, then reinstall the core. The process takes about a minute and keeps the tire fully seated on the rim.

Does this injector work with all tubeless sealants?

Yes. The Stan's injector works with Stan's Original, Race Day, and most other tubeless sealants on the market. Just make sure to rinse it out after use to prevent sealant from drying inside the barrel.

Is 150ml enough for a full tire fill?

For most road and gravel tires, yes. The 150ml capacity handles a standard 2-4oz fill in one shot. Larger mountain bike tires may require refilling the injector once, but the process is still far faster and cleaner than pouring from a bottle.

Reviews

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