How should the bicycle be maintained and maintained

Bicycle maintenance and maintenance:

In order to successfully complete each travel plan, it is very necessary to strengthen maintenance and keep the car in a good state of sensitivity and reliability all day long. In addition, it is also necessary to learn some necessary repair techniques to deal with some failures occurred during the trip.

1. First, talk about maintenance. In general, as long as it is able to move, it should be regularly maintained and checked. But the focus is on the driveline, the braking system and the three shafts (the front and rear center shafts).

(I) Drive system maintenance: mainly lubrication. The effective means is to add lubricating oil. We should remind you that the chain should always keep its oil sensitive, especially in the water and rain, to refueling in time. The moving parts of the gearbox before and after the transmission should also be regularly oiled. The oil used in the chain and gearbox is a special anti-rust lubricating oil for bicycles. It can also be used with ordinary oil, but the effect is poor.

(ii) Maintenance of the braking system: the braking system is particularly important because it is related to personal safety when traveling. In addition to keeping the sensitive and reliable of the moving parts, the travel clearance and wear of the brake block should be checked frequently. Both sides of the travel gap of the brake block should be maintained in the range of 2-3 mm. If the clearance is too large, it will increase the free travel value of the brake block, which reduces the sensitivity of the brake. If the clearance is too small, there may be a phenomenon of brake strength, increasing the riding strength and wasting energy. The surface of each brake block has more than two grooves, if these grooves will be worn flat or has been worn flat, it should be replaced in time to ensure the sensitivity of braking and driving safety.

(iii) Maintenance of three axis: there are several kinds of three axis. It is divided into ordinary shaft, sealing shaft and bearing shaft, etc. But no matter what kind of shaft, it is necessary to carry out maintenance. The timing is 5000 km/year, that is to say, if run enough 5000 km, no matter to less than a year, should carry out a change of butter maintenance, if run enough for a year, no matter to less than 5000 km, also want to carry out a change of butter maintenance. At the same time, check the wear degree of steel ball and shaft and other parts, and replace them when necessary. Be careful not to lubricate each shaft with oil at ordinary times.

(4) maintenance of the brake line and speed line: the general brake line and speed line have a movement catheter, both ends of the catheter will inevitably enter some dust and moisture, rainy days will also enter some rain, easy to cause the corrosion of the line, the line should be pulled out, the line around the butter and then put into the installed. And butter again every year, no more than two years.