Park Tool BBT-179 Steel Bottom Bracket Tool

$49.56
$46.95Sale Save $2.61

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Key Features

  • Material: Steel*
  • Weight: 0.65 lb*

Learn More About This Product

The Park Tool BBT-179 Steel Bottom Bracket Tool is a precision-machined 4140 steel workshop tool for removal and installation of threaded bottom brackets with 12-notch tool fittings in the 45–47mm major diameter range. The BBT-179 fits fittings with a major diameter of 45–47mm and a minor diameter of 44mm covering SRAM BSA DUB Race Face Cinch Rotor BSA30 Zipp Vuma and Hawk Racing BB3086 among others — a compatibility set that spans current performance road gravel and mountain drivetrain platforms. The extra-deep body clears extra-wide spindles and low-profile walls at the engagement point reach recessed lockrings that shallower tools miss. Three drive options — 3/8" drive 1" hex and 36mm wrench flats — address even the most seized bottom bracket cups and integrated threads in the tool body accept the Park Tool BBT-RS Bottom Bracket Tool Retaining System or GPS-1 Guide Pins (each sold separately) for improved alignment and stability during service.
  • Machined from 4140 steel for heavy-duty workshop use
  • Fits 12-notch threaded bottom bracket tool fittings with a major diameter of 45–47mm and a minor diameter of 44mm
  • Compatible with SRAM BSA DUB Race Face Cinch Rotor BSA30 Zipp Vuma and Hawk Racing BB3086
  • Extra-deep body accommodates extra-wide spindles
  • Low-profile walls at the point of engagement reach recessed lockrings
  • Three drive options: 3/8" drive fitting 1" hex fitting and 36mm wrench flats
  • Outer diameter at point of engagement: 50.04mm (1.97")
  • Internal clearance: 42mm (1.654") depth x 30.44mm (1.198") diameter
  • Integrated threads accept Park Tool BBT-RS or GPS-1 Guide Pins for added stability (each sold separately)
  • Not rated for use with impact drivers
  • Product Identifiers

    • SKU: B-PK5858
    • Barcode: 763477001870
    • Manufacturer Part Number (MFPN/MPN): BBT-179
    • Model Number: A1342


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    *Disclaimers

    1. While every effort is made to ensure the accuracy of the above information, it is entered by real live humans and humans make mistakes. The majority of the bikes on our website are specced exactly as they come from the manufacturers. Any upgrades or customizations will be listed separately. Please confirm with Airpark Bike Co if there are any questions about the included specification for the bike you are looking at.
    2. Bike component specifications including (but not limited to) suspension, drivetrain, brakes, tires, and wheels are subject to change by the manufacturer without notice.
    3. Any indicated component upgrades included or purchased in conjunction with a bike will be replacements for OEM components on the bike. The bike will ship with the upgraded components installed, but will not include the OEM components. Credit for the OEM components are factored into the pricing for upgrades.
    4. Weights, where provided, are based on manufacturer estimates for the model and are not a guarantee. The actual delivered weight may vary between build kits or spec levels of the same product, as well as between sizes. It may also vary due to upgraded components, variation in amounts of lubricants and sealants, and other factors.
    5. The list of materials in automatically generated. It's intended to give a general overview of key materials and is not necessarily complete or accurate. Products may also contain other materials not listed. Contact us if you have questions about a particular product.
    Park Tool BBT-179 Steel Bottom Bracket Tool

    Park Tool BBT-179 Steel Bottom Bracket Tool

    $49.56  $46.95
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