1 automotive spare wheel
car spare wheel: cars are generally provided with a spare tire, which will be the same size as the original automobile tires.
by type automotive spare wheel can be divided into full-size spare tire, and the non-full-size spare tire spare tire zero pressure.
Full-size spare tire is better understood, it is the same as the original specifications and four automobile tire size spare tire, also typically employed with the same original wheel hub; non-full-size spare tire tread width is narrower or smaller wheel size spare tire, which is usually steel wheels, and there is a limit (maximum speed can not exceed 80km / h) for the driving speed can only play the role of a temporary replacement of the original tires. Also known as zero-pressure tire safety tire (run-flat tire), but also what we called ldquo; rdquo ;, explosion-proof tire industry literally translated as ldquo; run-flat tire rdquo ;. Compared with ordinary tires, after being flat tire puncture will not leak or leaks very slowly, can keep driving profile, the bead also been fixed on the rim, so as to ensure the car can be a long time or temporarily stabilize travel to the service station. Therefore, the car equipped with this tire no longer need to carry a spare tire, so that the spare tire in another manner invisible hidden on the four tires.