He caused their chariot wheels to wobble, so that they had difficulty driving. “Let us flee from the Israelites,” said the Egyptians, “for the LORD is fighting for them against Egypt!”
Jewish Publication Society of America Version (JPS1917) - Exodus 14:25 >And He took off their chariot wheels, and made them to drive heavily; so that the Egyptians said: 'Let us flee from the face of Israel; for the LORD fighteth for them against the Egyptians.'