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

OVERHAULING A BICYCLE W This has a turned-up rim round the hole, which minimises the risk of the spoke being pulled through the washer. Washers for use with wooden rims have turned-down points which dig into the wood. Hubs.—Should the back hub be a two-speed or three- speed device, it is inadvisable to take it to pieces unless abso- lutely necessary for some evident fault. This part must be properly lubricated with good oil after cleaning. If bear- ings are taken to pieces, the hub spindles and bracket axle should be tested for truth, as a bearing can never be properly adjusted to run well with a bent axle. These may be tested between lathe centres, and if found out of truth, chalked whilst spinning between the centres, and knocked true with a mallet or lead or copper hammer, with the spindle resting on a block of hard wood. Figs. 10 and 11 show typical hubs. Fitting New Hub.—In fitting a new hub with the same size flanges to the old rim, little difficulty will be experienced if the foregoing instructions on fitting a new rim are followed. The main thing to observe is to note c