Park Tool BB BBT-147-12 12-NOTCHx57.5mm STL BK (SKU 611363)

Heavy duty and built for select threaded bottom brackets, the Park Tool BBT-147-12 removes and installs those with 12-notch tool fittings, including Chris King ThreadFit T47 and ThreadFit 30. It fits a 50 to 53mm major diameter and a 48.2mm minor diameter, and its 3/8-inch drive comes with 1-inch and 36mm wrench flats. Not rated for use with impact drivers.

Features

• Fits 12-notch threaded bottom bracket tool fittings with a major diameter of 50–53 mm and a minor diameter (inside of notches) of 48.2 mm
• Heavy duty tool for the removal and installation of select threaded bottom brackets with 12-notch tool fittings, including Chris King ThreadFit T47 and ThreadFit 30
• Internal clearance: 42 mm (1.654") depth (from tool face) x 30.44 mm (1.198") diameter
• 3/8" drive with 1" and 36mm wrench flats
• Not rated for use with impact drivers

Specifications