Park Tool - BBT-179 Steel Bottom Bracket Tool - 12-Notch
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PARK TOOL - BBT-179 STEEL BOTTOM BRACKET TOOL 12-NOTCH
Constructed from precision-machined 4140 steel, the BBT-179 is a heavy duty tool for the removal and installation of select threaded bottom brackets with 12-notch tool fittings, including SRAM® BSA DUB®, Race Face® Cinch®, Rotor® BSA30, and others. The BBT-179 is designed to be compatible with any bottom bracket with the corresponding tool fitting, with an extra-deep body to accommodate extra-wide spindles and low-profile walls at the point of engagement for recessed lockrings. The BBT-179 has three methods of tool engagement—a 3/8" drive fitting, a 1" hex fitting, and 36 mm wrench flats—allowing you to take on even the most seized bottom bracket cups. For added stability, the BBT-179 features integrated threads for use with the Park Tool BBT-RS Bottom Bracket Tool Retaining System or GPS-1 Guide Pins (each sold separately).
FEATURES
Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 45–47 mm and a minor diameter (inside of notches) of 44 mm, including:
- SRAM® BSA DUB®
- Race Face® Cinch®
- Rotor® BSA30
- Zipp® Vuma™
- Hawk Racing™ BB3086™
- and more
Tool specifications:
- 3/8" drive fitting
- 1" and 36 mm wrench flats
- 50.04 mm (1.97") outer diameter at point of engagement
- Internal clearance: 42 mm (1.654") depth (from tool face) x 30.44 mm (1.198") diameter
- Not rated for use with impact drivers
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