CrankworthyCRANKWRTHY

Tool

Park Tool BBT-9 Bottom Bracket Tool

External BB cup tool for Shimano Hollowtech II / SRAM GXP / DUB (BSA)

What this fits

Intended for mtb, road, gravel builds.

Where to buy

We don't have a retailer link for this part yet. Any bike shop can order it — take the exact name from this page so you get the right version.

Compatibility guides

Other workshop tools

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