Bikemonger says.... Adding sealant to tubeless tyres can be a messy job. This is the best injector we've found to make the job easier and minimise spillage. Probably still best not to do it on the living room carpet though.

Stans says.... The Tubeless Sealant Injector was engineered to provide both the professional and home mechanic with a tool to easily and cleanly install sealant into any sized tyre. For larger mountain bike tyres, the high-volume 150ml capacity of the injector has enough capacity for single-fill installations for one tyre up to 29x2.8”, or a pair of 700x32mm gravel tyres.

A  unique air relief channel at the top of the injector body paired with a cross-slit valve in the press-on adapter provides the user with a drip-free experience. For added convenience, this press-on adapter is compatible with both Presta and Schrader valves with no conversions or additional adapters necessary. In between uses, the branded hang plug provides clean storage on a workbench hook or inside a toolbox during travel.