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are the adapters worth it or are they a bit fiddly
They work well enough for fitting, might explode if you're trying to remove a crusty old BB
VAR tools are good, the one you linked is the original (44mm) pattern but they also do a small (41mm) BB-R60/MT800 version
The Shimano part is TL-FC37 as @kjlem says, the original pattern of socket type tool is TL-FC33
Just because Shimano are pricks, there's an even smaller (39mm) TL-FC34 for DuraAce and XTR
whats the best option for a shimano hollotech bb tool. i have an older version but when i came to fit a new bb recently it seems the newer bb is a smaller size / diameter. i have the old tool and my lbs says you can get an adapter to fit inside the old bb remover or should i just buy a new bb tool that fits
are the adapters worth it or are they a bit fiddly. which bb tool should i buy? ice toolz / official shimano version or some fancy park tools one.