Originally Posted by
jdawginsc
I use a similar to Merziac’s method but if super seized, repeated shots of WD 40, PB Blaster or Kroil are a necessary friend.
edit: if it is a plastic/resin BB cup, they can be a bear. Alloy cup—no grease—steel seizes can be horrific.
Is it a standard cup and spindle BB?
I've never had to use heat or chemicals, a way bigger lever, yes, never needed anything else.