A spare tyre for a motor vehicle:thankfully, the stepney was brand new and was in good shape...
To avoid such situation make sure that you have stepney with proper air pressure.
Zain and Aaliya find that there is no stepney tyre in the car, so the tyre cannot be changed.
If you have a basic idea how to replace a punctured tire with a stepney it can save you time waiting for a mechanic.
Origin
Early 20th century: originally denoting a wheel consisting of a pre-inflated tyre on a metal rim that could be used as a temporary replacement for a punctured tyre; from Stepney Street in Llanelli, Wales, where the wheels were manufactured.