MOTOR TYRE SIZES
[To the Editor of the SPECTATOR.]
SIR,—There are over one hundred and twenty distinct sizes of motor-car tyres on the market at the present moment. This is a perfectly ridiculous state of affairs. Six or eight sizes are all that are needed to accommodate every kind of car on the road to-day, from the smallest to the largest, in- cluding the great motor coach with its mammoth tyres. There is no point in having so many different sizes. Take, for instance, the popular 120 type. This is made in four sizes-8I5, 820, 880 and 920. Why manufacturers do not get together and decide upon half a dozen sizes I cannot understand. The advantages would be enormous. Manu- facturing costs would be greatly reduced, the bulk of which would doubtless be passed on to the public, for competition is keen. Garage proprietors would welcome it. It would mean that they need carry a far smaller stock and yet always be able to supply their customers' requirements.
The motorist would benefit greatly. If his car happen to be equipped with a more or less unusual size of tyre he often has great difficulty in procuring a fresh one. At the best it means several days' delay.—I am, Sir, &e.,
Bunvood Farm, Rotherfield, Sussex. E. T. BROWN.
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