>>1860739>>1860789Leave it on there, take the chain off in front to give you slack, blast it with WD40 while wiggling the pivots around and holding a rag behind it to keep the wd40 out of the hub and other shit.
While you're at it might as well use the WD40 to clean the chain too, then wash it off with a wet rag let it dry before putting new lube on.