with the chain sprocket is meshed with the toothed wheel-shaped mechanical parts. Concatenating the sub-chain in the form of the motion of the same members or the same spacer assembly. .
Maintenance chain sprocket
only the oil in the chain, can not be sprayed on the tire;
does not require too frequent oiling, maintaining the chain bit oil on it;.
2 Note
1, the chain to be noted that with playing ping, it is not easy to get crooked thimble, tools used with care.
2 after refueling cleaning strip, slowly inverted tooth plate, rear derailleur out of the inside links should be able to be straightened, if some links still maintain a certain angle, the operation that it not smooth, belong to the knot, it should be adjusted.
3, the existing damaged chain links must be replaced.