
Park Tool BBT-9
The Park Tool BBT-9 is a bottom bracket tool for removing and installing external-bearing crankset cups, fitting cups and lockrings with 16 external notches and a roughly 44mm outside diameter. It's the standard wrench for servicing common external bottom brackets from Shimano and similar systems, at home or in the shop.
- The BBT-9 is used to remove and install external bearing crankset bottom brackets
- Fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm
Pairs well with

Park Tool BBT-9
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