Park Tool Bottom Bracket Tool - BBT-9

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The Park Tool Bottom Bracket Tool BBT-9 handles two of the more fiddly jobs in the workshop with a single double-ended tool. One end drives 16-notch threaded bottom brackets — the standard fitting used across a wide range of BB shells and some disc brake rotor lockrings. Flip it over and the 8-point end takes care of Shimano Hollowtech II crank arm adjusting caps. The handle is steel-plated and vinyl-dipped, giving you the grip and leverage to break loose even a well-seized bottom bracket without your hand paying the price. It's the kind of tool that earns its drawer space by covering two common tasks without compromise — solid construction, clear purpose, and nothing superfluous about it. Park Tool Bottom Bracket Tool Specs at a Glance 16-notch fitting for threaded bottom brackets and disc brake rotor lockrings 8-point fitting for Shimano Hollowtech II crank arm adjusting caps Double-ended design — two tools in one Steel-plated, vinyl-dipped handle for grip and durability Show more