Colby Valve Emergency Tire Valve System (2 Red) grease coupler No broken Zerks – Thumb-activated

No broken Zerks – Thumb-activated sleeve locks and unlocks quickly with one hand

as well as adjust the location of the spigot in 30° increments without unscrewing lock rings

Locks onto 5/8″ button head fittings and connects to any standard grease coupler

The same BTX Power Head drives every stem

Upgrade the chuck on your compressor or air pump easily

Colby Valve Emergency Tire Valve System (2 Red) grease coupler No broken Zerks – Thumb-activatedColby Valve Emergency Valves offer a tool free installation from the outside of the wheel, in about 1 minute. These are . 453 size, and will fit almost everything from riding lawn mowers to truck tires. If you need to make a repair in the field, this is your solution! The "winged spacer" design makes the install as easy as twisting a wingnut. Fits standard . 453 wheel openings (everything from bicycles to trucks) Installs from the outside of the wheel