Park Tool BBT-47-12 Bottom Bracket Tool - 12-Notch Peak Distro These are the 4

These are the 4

The 799 is used in conjunction with the Park Tool HTR-1 Head Tube Reaming and Facing Set to ream head tubes that use the 1 1/4" internal cup headset standard

Versatile and capable

Forged and plated tools:

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Park Tool BBT-47-12 Bottom Bracket Tool - 12-Notch Peak Distro These are the 4A precision CNC machined aluminum tool for the installation and removal of select threaded bottom brackets with 12 notch tool fittings, including Chris King ThreadFit T47 and ThreadFit 30 bottom brackets. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. Specifications Fits 12 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 5053 mm