Hot soapy water, hand sanitizer, hold an abandoned toothbrush or slightly a little bit hard to brush can also, chain to drench water scrub directly, cleaning effect is not very good, and after cleaning chain need to dry, or it will rust.
Special cleaning agent chain, generally are imported products, cleaning effect is good, and the effect of lubrication is also very good, professional car shop sales, just price is quite expensive, taobao is also available, if you have a good economic foundation can be considered.
Metal powder, find a larger container, take a spoonful of boiling water, remove the chain and put it in the water with a harder brush.
Advantages: can easily chain of oil to clean, and generally do not butter washed away in the inner ring, not irritating, and does not hurt the hand, it is to do mechanical work master are commonly used to wash their hands, security is very strong. You can buy it at a bigger hardware store.
Disadvantages: as the auxiliary is water, the chain must be dried or air-dried after cleaning, which takes a long time.