A tire (tyre) — the rubber covering fitted around a wheel of a vehicle such as a car or bicycle. Occasionally written as タイア, but タイヤ is standard.
車のタイヤがパンクしたので交換しないといけない。
My car's tire got punctured, so I need to replace it.
冬はスノータイヤに履き替えた方が安全だ。
It's safer to change to snow tires in winter.
新しいタイヤは溝が深くて走行が安定する。
The new tires have deep treads and provide a stable ride.