Cycle Repairing and Adjusting
With a Chapter on building a Bicycle from a Set of Parts

42 CYCLE REPAIRING Replacing Wired CoYer.—Again place the valve hole at the top, and with the wired edge in position under- neath drop the valve socket through the hole, and screw on the thumb nut. Next tuck in the tube, and replace the wire, beginning at the valve and always working towards the machine, because at the final strain the worker is free from the forks. If a tyre has never or seldom been removed, it fits very tight, and then the easiest way is to lash one Fig. 30.—Palmer Beaded-edge Tyre side of it in position so that it will not slip out, and tuck in the tube and wire as far as is possible with ease ; then pump in a little air to prevent nipping. With one hand hold the wire, and with the other press it into the channel of the rim. Try again with two hands ; again act as before, and so on, till at last the tyre slips into place. At this point many go wrong, for they pump up and ride off. The milled nut must be loose and the wired edge pressed into its groove evenly all round, without the inner tube in any place lying between the rubber and the metal rim ; otherwise undue