The design is just like a tire to make it look good. Update: Unfortunately the pressure gauge doesn't work so you can't see the tire pressure when pumping it up. Air.
π Hankook 305/45R22 118V Ventus ST RH06 All-Season Tire
19 Review
All-season Goodyear Vector 4Seasons Gen-2 Tires 195/65 R15 91H
15 Review
π Enhanced Traction Goodyear Wrangler DuraTrac 265/65R17 All-Season Radial Tire - 112S
28 Review
Car tires Sailun Atrezzo Elite 215/55 R17 94V TL
28 Review