bead-breaker

listen to the pronunciation of bead-breaker
İngilizce - İngilizce
Attributive form of bead breaker, noun
A tool or device used to separate the bead from a tire rim

Lost in the middle of nowhere, he started to fix it by using his car-jack as a bead breaker, using the weight of the car to gently separate the bead from the rim.

bead-breaker