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Park Tool BBT-179 12-notch Steel Bottom Bracket Tool

Park Tool BBT-179 12-notch Steel Bottom Bracket Tool
Park Tool BBT-179 12-notch Steel Bottom Bracket Tool Park Tool BBT-179 12-notch Steel Bottom Bracket Tool Park Tool BBT-179 12-notch Steel Bottom Bracket Tool Park Tool BBT-179 12-notch Steel Bottom Bracket Tool

Product Details

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.

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

About Park Tools
Park’s pledge for the future is simple: Build the best tools. Their commitment to that principle is stronger than ever. They build bicycle tools and maintenance equipment, it's all they do and they’re good at it. Supplying quality bike tools since 1963.

Product Code K-BBT-179
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$91.90
RRP $94.90 | Save 3%
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Product Details

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.

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

About Park Tools
Park’s pledge for the future is simple: Build the best tools. Their commitment to that principle is stronger than ever. They build bicycle tools and maintenance equipment, it's all they do and they’re good at it. Supplying quality bike tools since 1963.