I read the reviews; "The valve cover is not removed" and it is true. After 2 days I had to unscrew them with pliers. but I think any lubricant will do. One touch is enough! Mine has been running for 3 months now and had no problems checking/changing tire pressure. The caps are easy to remove.
π Enhanced Traction Goodyear Wrangler DuraTrac 265/65R17 All-Season Radial Tire - 112S
28 Review
Sailun Atrezzo Elite 225/60 R17 99V tires
36 Review
All-season Goodyear Vector 4Seasons Gen-2 Tires 195/65 R15 91H
15 Review
Hankook Ventus V12 evo 2 Summer Radial Tire Review: 255/40R19 93Y
50 Review