“How to remove a stuck Brompton Bottom Bracket?” should have been the question to be asked!
A little while ago, there was this gentleman who came with a broken BB at his Brompton. The gripping area of the BB was gone. I am guessing he had it messed up when he was trying to replace the BB. Let’s check out this video to see how it folds out.
00:37 How did we get a stuck BB in the Brompton?
01:06 So what is it with the BSA standard in Brompton BB?
01:17 What is a BB cup?
02:25 How do you remove the stuck BB?