mauvais
on reddit or something
It's a link you can buy for a quid or two that lets you release the chain without a chain tool. You need a chain tool to fit one though, unless there's one already on it.
It's easier to clean when not on the bike but you can do it either way. To clean it, you want lots of thin lubricant like GT85 or even WD40, or possibly white spirit. A jcloth or something will help but it'll take a bit of work. It won't go back to being properly clean and shiny but it'll be better. When you're all done you need to use a thicker bike oil as lube.
It's easier to clean when not on the bike but you can do it either way. To clean it, you want lots of thin lubricant like GT85 or even WD40, or possibly white spirit. A jcloth or something will help but it'll take a bit of work. It won't go back to being properly clean and shiny but it'll be better. When you're all done you need to use a thicker bike oil as lube.
... then progressively harder taps until the pin begins to move. Don't drive the pin all the way out..! Once only about 2-3 mm of the pin is left in the link (on the inside), you can flex the chain apart fairly easily.


Boycey commented on another thread that it actually works better than the fancy synthetic brands.