To what extent does the bicycle accessories need to be replaced?

Bicycle accessories is a collective term for all parts and accessories of the bicycle body.

Among the 25 accessories of bicycle frame, tires, pedals, brakes, chains, etc., all the basic components are indispensable. Among them, the frame is the skeleton of the bicycle, and it bears the heaviest weight of people and goods.

Our bicycles also have their lives. When there are problems with bicycle accessories, they still need to be replaced.

Except for inner tubes, most of the cycling accessories have a service life, such as chainrings, chains, brake pads, tires, wires, cycling clothes, helmets, etc. The life spans vary, and the following situations occur, it is recommended to replace them!

We will introduce a few of them, but not all of them.

A. Look at the top of the tire with the naked eye, if it is already flat.
B. The tire wear indicator has disappeared.
C. The tire wall has cracked, and the chance of a puncture is greatly increased.

A. Use a simple gauge to check the elongation rate of the chain. The chain gauge generally has two levels of 0.75 and 1.0. If the card does not enter 0.75, there is no need to change it; if the card enters 0.75, the card does not enter 1.0, only replace the chain; if it can enter 1.0, the chain flywheel must be replaced together, otherwise the new chain with the old flywheel may jump teeth, which is especially obvious.
B. Electronic gauges can also be used, if the stretch rate reaches 0.8mm, they need to be replaced!

A. Touch with fingers, the surface has obvious depressions.
B. After cleaning the surface, the color gloss is still dark.
C. The wear lines on the surface have disappeared.