Park Tool Bottom Bracket Tool - BBT-59.2
Park ToolBottom Bracket Tool - BBT-59.2

Man's best friend.

Sometimes true love fades, puppies run away, and bottom brackets wear out. It can't help you get back your first love or Spot, but when it comes the time that your bottom bracket seen better days, be prepared with Park Tool's Bottom Bracket Tool - BBT-59.2. It's precision CNC machined from aluminum and specifically made to install and remove 16-notch smaller diameter 41mm external bearing bottom brackets like the Shimano Ultegra 6800 or 105 5800 and XT M8000. Park updates the tooth profile to optimize the interface between the tool and bottom bracket so your beautiful anodized cups stay looking like new and not like Spot's gnarled up chew toy he left behind. Park anodizes and laser etches the tool for easy identification and it features a 3/8in drive for ratchet or torque wrench use.

  • A bottom bracket tool for external BBs
  • 41mm diameter with 16 notch OD cup
  • 3/8in drive works with rachets and torque wrenches
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