Tire pressure indicator cap, safety concern, easy to install, simple indication, extend tire life

Unscrew existing valve cap.

Set tire pressure to manufacturer's recommendation.

Screw indicator cap onto valve by hand.

Check regularly to monitor pressure.

If red indicator is above the green, the tire has lost pressure.

Re-inflate the tire to correct pressure.

Keep cap clean to make checking easy.

Specification:

28PSI(1.93BAR)

30PSI(2.07BAR)

32PSI(2.21BAR)

34PSI(2.34BAR)

36PSI(2.48BAR)