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BB - common acronym for a Bottom Bracket
Task Summary
Removing a BB unit is a common workshop job. You will often need to inspect a unit to see if it needs a clean/refurbishment or simply a straightforward replacement.To remove any BB unit you will first need to remove the cranks.
Tools
WORKSHOP TIP: Be careful when selecting the crank puller that you have the right one for the job. It is easy to ruin the splines on a Bottom Bracket unit if you do not. A square taper or power spline Bottom Bracket will need the smaller size crank puller and all other brands of Bottom Bracket will need the larger crank pulling tool.
