noun
slow puncture; slow leak
A gradual loss of air from a tire, often caused by a small puncture. Used in automotive and cycling contexts.
タイヤのスローパンクチャーに気づかずに走り続けた。
I kept driving without noticing the slow puncture in the tire.
スローパンクチャーは、空気が少しずつ抜けるので発見が遅れやすい。
A slow leak is easy to miss because the air escapes little by little.